The most dangerous phrase in the language is, 'We've always done it this way.'

Man is defined as a human being and a woman as a female — whenever she behaves as a human being she is said to imitate the male.

I don't have time to worry about who doesn't like me.

没有付出，就没有收获。这是我的生活信条。

在数学中，你不理解事物。你只是习惯它们。

我不是受害者，我是幸存者。

There is no such thing as a special category of science called applied science; there is science and its applications, which are related to one another as the fruit is related to the tree that has borne it.