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In looking for someone to hire, you look for three qualities: integrity, intelligence, and energy. But the most important is integrity because if they don't have that, the other two qualities, intelligence and energy, are going to kill you.

The computer reminds one of Lon Chaney -- it is the machine of a thousand faces.

The truth is not always the most effective weapon. Sometimes, a well-crafted lie can save more lives than the truth ever could.

粒子的概念只是近似的，并且只有在動量較小的極限下才有意義。