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Don't be afraid to stand out, the world needs your unique light.

Cryptography is about communication in the presence of adversaries.

It is vain to talk of the interest of the community， without understanding what is the interest of the individual.

Every body continues in its state of rest, or of uniform motion in a right line, unless it is compelled to change that state by forces impressed upon it.

自信是你所能擁有的最美麗的東西。

Your most unhappy customers are your greatest source of learning.