The only real knowledge is self-knowledge.

世界击倒每一个人，之后，许多人在心碎之处变得坚强。

What we plant in the soil of contemplation, we shall reap in the harvest of action.

Sustainability is not an option; it's a necessity for long-term success.

世界充满了故事，但所有的故事都是一个。

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

I don't think you should ever let anyone tell you what you can and can't do.

I don't need a reason to be legendary.