The truth is, the science of Nature has been already too long made only a work of the brain and the fancy: It is now high time that it should return to the plainness and soundness of observations on material and obvious things.

政事分散在地方，但大权集中在中央

I learned that my pain could be my power.

数学不是关于数字、方程、计算或算法的：它是关于理解的。

生活的目的不是快乐。它是有用、可敬、富有同情心，让你活得有意义且活得好。