Invert, always invert: Turn a situation or problem upside down.Look at it backward.

Every equation we write is a small step towards understanding the cosmos, but the journey is infinite.

Happiness is not something you postpone for the future; it is something you design for the present.

I’ve learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

聪明的投资是价值投资，获得的比你付出的更多。

The past is always tense, the future perfect.

穷人的真正悲剧是他们除了自我否定外什么都负担不起。

传统方法蕴含智慧，但可持续发展要求我们在必要时超越它们。