The law is reason, free from passion.

Every discovery in physics opens the door to a new mystery.

自然选择塑造了我们的思想，也塑造了我们的身体。

笑和哭都是对挫折和疲惫的反应。我自己更喜欢笑，因为之后需要清理的少。

No one had ever had such a friend, so affectionate,so loyal and so skillful.

我只想创作让人快乐的音乐。

创新的可持续农业的关键，我们必须拥抱新技术来养活世界。

To tax the larger incomes at a higher percentage than the smaller， is to lay a tax on industry and economy； to impose a penalty on people for having worked harder and saved more than their neighbors.