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The art of cryptography is to make the cost of breaking the system exceed the value of the information protected.

我們需要像看待識字和算術(shù)一樣看待數(shù)字技能。

"Books are the keys to unlocking our potential for change."

金錢和成功不會改變?nèi)耍鼈冎粫糯笠延械臇|西。

Living is like tearing through a museum. Not until later do you really start absorbing what you saw, thinking about it, looking it up in a book, and remembering - because you can’t take it in all at once.