Happiness is a gift and the trick is not to expect it, but to delight in it when it comes.
The only way to learn mathematics is to do mathematics.
A writer must be faithful to his own truth, even if it is not the truth of others.
化学是关于连接的科学，无论是字面上还是隐喻上。
The most dangerous phrase in the language is, 'We've always done it this way.'
创新不仅仅是技术，更是改变思维方式。
The history of every country begins in the heart of a man or a woman.
写作是一种不被中断的谈话方式。