The world breaks everyone, and afterward, some are strong at the broken places.
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.
War is an ugly thing, but not the ugliest of things: the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth a war, is much worse.
我们必须平衡眼前的能源需求与长期的可持续性目标。