The key to credible causal inference is not just the method, but how well the method fits the question at hand.

从今往后,所有的帝国都是思想的帝国。

痛苦是净化灵魂的火焰。

The longer life goes on, the fewer those around you to challenge your account of things, to remind you that life is not as you tell it, but as you remember it.

"You have to believe in yourself, even when others don't."

嫉妒的人像敌人一样折磨自己。