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種一棵樹最好的時間是20年前，第二好的時間是現在。

沒有人可以賦予自己剝奪自己生命或生命的一部分的自由。

"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors."

人們較易于受邪惡的擺布勝于受道德的約束。

Mathematics is the science of patterns, and nature exploits every possible pattern.

Think wrongly, if you please, but in all cases, think for yourself.

員工是企業的財富，關心員工就是關心企業的未來。