You can't change the past, but you can ruin the present by worrying about the future.
Collaboration, not competition, will save our forests.
Whatever you're meant to do, do it now. The conditions are always impossible.
注意你的思想,因为它们将变成言辞;注意你的言辞,因为它们将变成行动;注意你的行动,因为它们将变成习惯;注意你的习惯,因为它们将变成性格;注意你的性格,因为它们将决定你的命运。 我们想的是什么,就会成为什么样的人。
有机化学现在在我看来就像一片原始热带森林,充满了最非凡的事物,一个可怕的、无尽的丛林,人们不敢进入,因为似乎没有出路。
衡量一个文明的标准是它如何对待其最弱的成员。
The principle of human dignity is the foundation of all the other principles of the natural law.
Sometimes, what we need is not a bowl of chicken soup, but a slap in the face.