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It is sadder to find the past again and find it inadequate to the present than it is to have it elude you and remain forever a harmonious conception of memory.

真正的領導者不是命令別人去做什么，而是激發他們的潛能。

The intersection of cryptography and complexity theory is where some of the most fascinating problems in computer science reside.

Fear is not the enemy. It is the refusal to face it that destroys us.

Small actions, multiplied by millions, can transform the world.