检验假设有效性的唯一相关标准是其预测与经验的比较。

Chance is a word void of sense; nothing can exist without a cause.

We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.

我应该以她的行为，而不是她的言语来判断她的一切。她用身体将我包围，照亮我的生命，我不应该离她而去，我早该猜到，在她并不高明的把戏背后隐藏着最深的温柔，花朵的心思总叫人猜不透。我太年轻了。我不知道如何爱她。

你能给自己最好的礼物就是自爱。

自然是自由的领域，因为在她的统治下，任何专制都无法存在。

我永远不想回头看时说我可以做得更多。

First they ignore you, then they laugh at you, then they fight you, then you win.