言辞可以是工具，但它们也可以是武器。
Words can be tools， but they can also be weapons.
The big money is not in the buying and the selling，but in the waiting.
Science is not just about discovery, but also about the application of knowledge to improve human life.
The only way to change the world is to change the way we think.
对于任何国家来说，最大的幸福是将最高权力从少数统治者手中收回，交到众多被统治者手中。
If you're not making mistakes, you're not trying hard enough.