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Conway said, “The eight-gun’s on another frequency? Keep trying, sergeant. Maybe he can’t blanket them all at once. Hold out as long as you can.”

He opened the door behind him quickly and softly and went into the computer room.

This was another world. For a moment he forgot every­thing that lay outside the double doors and stood there taking in the feel and smell and sight of the room. It was a good place. He had always liked to be here. He could forget what stood eight feet tall and poised for destruction outside the door, and what lay waiting in the future, no farther away than day after tomorrow. He looked up at the high, flat faces of the computers, liking the way the lights winked, the sound of tape feeding through drums, the steady, pouring sound of typewriter keys, the orderly, dedicated feel of the place.

Broome looked up from the group around the typewriter of the analogue computer. All the men in the room had left their jobs and were clustering here, where the broad tape flowed out from under the keys and the columns of print poured smoothly, like water, onto the paper.

“Anything?” Conway asked.

Broome straightened painfully, easing his back.

“I’m not sure.”

“Tell me,” Conway said. “Quick. He’ll be here in sec­onds.”

“He’s set up a block, accidentally. That’s pretty sure. But how and why we still don’t—”

“Then you don’t know anything,” Conway said flatly. “Well, I think I may have a—”

On the other side of the door sudden tumult broke out. Steel feet thudded, men shouted, equipment crackled and spat. The shouting rose to a crescendo and fell silent. The double doors crashed open and Ego stood on the threshold, facing the calculators. Here and there on his steel body spots of dull heat were fading. He was smeared with stains of oil and blood, and his searchlight eye swept around the room with a controlled speed that yet had something frantic in it. Ego looked at the calculators and the calculators placidly ticked on, rolling out unheeded data under the jaws of their typewriters as every man in the room faced the robot.

In the open doorway behind Ego the squad sergeant stumbled into sight, blood across his face, the nozzle of a sonic-gun in his hand.

“No,” Comvay said. “Wait. Stand aside, Broome. Let Ego get to the calculators.”

He paid no attention to the buzz of shocked response. He was looking at Ego with almost hypnotized attention, trying to force the cogs of his own thinking to mesh faster. There was still a chance. Just a shadow of a chance, he knew that. And if he let Ego at the calculators and Ego failed, he wasn’t sure he could interfere in time to save anything. But he had to try. A line of dialogue out of some­thing he couldn’t identify floated through his mind. Yet I will try the last. Some other desperate commander in his last battle, indomitable in the face of defeat. Conway grinned a little, knowing himself anything but indomi­table. And yet—I will try the last.

Ego still stood motionless in the doorway. Time moves so much slower than thought. The robot still scanned the computers and thought with complex tickings to himself. Conway stepped aside, leaving the way clear. As he moved he saw his own image swim up at him from the stained sur­faces of the robot body, his own gaunt face and hollow eyes reflected as if from a moving mirror smeared with oil and blood, as if it were he himself who lived inside the robot’s body, activating it with his own drives.

Ego’s pause on the threshold lasted only a fraction of a second. His glance flicked the calculators and dismissed them one by one, infinitely fast. Then, as Broome had done, Ego wheeled to the analogue computer and crossed the floor in three enormous strides. Almost contemptu­ously, without even scanning it, he ripped out the program­ing tape. He slapped a blank tape into the punching de­vice and his fingers flickered too fast to watch as he stamped his own questions into the wire. In seconds he was back at the computer.

Nobody moved. The mind was dazzled, trying to follow his speed. Only the computer seemed fast enough to keep pace with him, and he bent over the typewriter of the machine tautly, one machine communing with its kinsman, and the two of them so infinitely faster than flesh and blood that the men could only stand staring.

Nobody breathed. Conway—because thought is so fast —had time to say to himself with enormous hopefulness, “He’ll find out the answer. He’ll take over now. When the new assault starts he’ll handle it and win, and I can stop trying any more…”

The stream of printed answers began to pour out under the typewriter bar, and Ego bent to read. The bright cone of his sight bathed the paper. Then with a gesture that was savage as a man’s, he ripped off the tape as if he were tearing out a tongue that had spoken intolerable words. And Conway knew the computer had failed them, Ego had failed, Conway had gambled and lost.

The robot straightened up and faced the machines. His steel hands shot out in a furious, punishing motion, ready to rip the computers apart as he had already ripped the other machines which had failed him.

Conway in a voice of infinite disillusion said, “Ego, wait. It’s all right.”

As always when you spoke its name, the robot paused and turned. And faster than data through the computers there poured through Conway’s mind a torrent of linking thoughts. He saw his own image reflected upon the robot’s body, himself imprisoned in the reflection as Ego was jailed in a task impossible to achieve.

He realized that he understood the robot as no one else alive could do, because only he knew the same tensions. It was something the computers couldn’t deduce. But it was something Conway had partly guessed all along, and forbidden himself to recognize until the last alternative failed and he had to think for himself.

Win the war was the robot’s basic drive. But he had to act on incomplete information, like Conway himself, and that meant that Ego had to assume responsibility for making wrong decisions that might lose the war, which he was not allowed to do. Neither could he shift responsi­bility as the computers could, saying, “No answer—insuffi­cient data.” Nor could he take refuge in neurosis or mad­ness or surrender. Nor in passing the duty on to someone else, as Conway had tried to do. So all he could do was seek more knowledge furiously, almost at random, and all he could want was—

“I know what you want,” Conway said. “You can have it. I’ll take over, Ego. You can stop wanting, now.”

Want—” the robot howled inhumanly, and paused as usual, and then rushed on for the first time to finish his statement, “—to stop wanting!”

“Yes,” Conway said. “I know. So do I. But now you can stop, Ego. Turn yourself off. You did your best.”

The hollow voice said much more softly, “Want to stop…” And then hovering on the brink of silence, “… stop want…” It ceased. The shivering stopped. A feel of violence seemed to die upon the air around the robot, as if intolerable tensions had relaxed at last inside it. There was a series of clear, deliberate clickings from the steel chest, as of metallic decisions irrevocably reached, one after another. And then something seemed to go out of the thing. It stood differently. It was a machine again. Nothing more than a machine.

Conway looked at his own face in the motionless reflec­tion. The robot couldn’t take it, he thought. No wonder. He couldn’t even speak to ask for relief, because the oppo­site of want is not want, and when he said the first word, its negative forced him to want nothing, and so to be silent. No, we asked too much. He couldn’t take it. Meeting his own eyes in the reflection, he wondered if he was speaking to the Conway of a long minute ago. Perhaps he was. That Conway couldn’t take it either. But this one had to, and could.