Experience is simply the name we give our mistakes.

"The greatest glory in living lies not in never falling, but in rising every time we fall."

每一种化合物都必须有确定的组成，这可以用其元素的符号来表示。

We are all in the gutter, but some of us are looking at the stars.

Any human anywhere will blossom in a hundred unexpected talents and capacities simply by being given the opportunity to do so.