We hold these truths to be self-evident: that all men are created equal.

Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.

感知不仅仅由刺激模式决定，而是对可用数据的最佳解释的动态搜索。

Every day is a new beginning.

"The greatest truths are the simplest, and so are the greatest men."

War is a tragedy, but sometimes necessary.

Success is not an entitlement. It has to be earned.

心灵需要书本，就像一把剑需要磨刀石。