真正的革命者是由伟大的爱所引导的。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

The office of President is great, but the man who holds it is not.

成功是对怀疑者最好的报复。

权力总是危险的。它吸引最坏的人，腐蚀最好的人。

最伟大的定理往往来自于对显而易见之事的质疑。

你结果的可信度取决于你识别假设的合理性。