The greatest weapon against stress is our ability to choose one thought over another.

如果我们不考虑长期影响，开采效率就毫无意义。

As a woman I have no country. As a woman my country is the whole world.

The only way to succeed is to be completely honest with yourself and others.

在科学推断中，我们应该尽可能追求客观的方法。