Let us be grateful to people who make us happy, they are the charming gardeners who make our souls blossom.

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

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

The older I get, the more I realize how little I know.

成为英雄的最大障碍是怀疑自己是否会证明自己是个傻瓜；真正的英雄主义是抵抗这种怀疑，而最深刻的智慧是知道何时应该抵抗，何时应该服从。