不同元素的原子通过它们的重量相互区分。

胜利会带来仇恨，被击败者生活在痛苦之中。和平的人放弃胜败。

We tend to overestimate what we can do in a day， and underestimate what we can achieve in a decade. Miraculous things can be accomplished if you give it ten years. A long game will compound small gains to overcome even big mistakes.