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The essence of cryptography is to allow communication in the presence of adversaries.

Childhood is a foreign country we've all visited but can't quite remember.

The faster we live, the less we feel.

"To write is to breathe, to live, to exist in a world of one's own creation."

合作是解開宇宙之謎的關鍵。

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.