He realized at once that security, both human and robotic, was already closing in on him from all sides, and decided in a flash that the least security would be on the other side of the door. He raised his left hand, paused for a moment, frozen, as if marshaling all he had, then struck the door near its locking mechanism. The area buckled, and he leaned forward and without seeming effort pushed until the door slid back enough for him to squeeze through.
Once he was inside, the door slammed shut behind him, and he could hear the secondary seals slide into place. It formed an effective trap, between the inner and outer door. The chamber itself was airtight; so if someone got this far, the air inside the chamber could be rapidly withdrawn. No chances, not with somebody this good.
The vacuum hardly bothered him. He kicked at the outer door once, twice; on the third try, it gave. He leaned forward with all his might, opening a crack and holding the door open against the massive inrush of air until the pressure equalized. At that point he threw it open and strode through into the main entrance hall.
His guess had been correct; security forces were only now reaching the hall area, and stunned personnel throughout the hall prevented a quick shot. Four sleek black security robots sped toward him. Apparently unafraid, he let them advance. Then, just before they reached him, he suddenly ran right at the two in the lead, pushing one into the other and spilling both to the floor. The scene was incredible: a tiny, ordinary-looking fellow tumbled four tons of animated metal without so much as recoiling.
He moved quickly now, directly for the clear windows at the front of the hall. He moved with such tremendous speed, speed beyond human and most robots, that when he reached the windows he leaped straight into them. The panes were tremendously thick, able to resist even conventional bornbs hurled against them, but they cracked and shattered like ordinary glass as he sailed through; he then dropped the twelve meters to the ground, landing on his feet with perfect balance, and started to run across the broad courtyard.