我从不买任何东西，除非我能给出一个充分的理由，说明为什么我认为它会涨。

The signal of human influence on climate has emerged from the noise of natural variability.

美德的软弱就是对邪恶的支援。

I must study politics and war that my sons may have liberty to study mathematics and philosophy.

独居的好处是你不需要考虑任何人。