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The progress of science is the discovery at each step of a new order which gives unity to what had seemed unlike.
科学的进步在于每一步发现一种新的秩序,这种秩序将看似不同的事物统一起来。
Cryptography is the art of transforming information into a form that is unintelligible to anyone who does not possess the key to unlock it.
"I am not interested in the psychology of characters, but in the psychology of situations."