The most damaging phrase in the language is: 'It's always been done this way.'

The key to security is not to trust anyone, including yourself.

Writing is a way of making sense of the world.

The historian must have some kinship with his subject. The dead will not speak unless they are properly addressed.

我不害怕电脑。我害怕没有它们。

The beauty of mathematics lies in its ability to describe the universe with such precision.

真正的学者不在于知道多少，而在于热爱真理。