当你停止追求进步的那一刻，就是你开始死亡的那一刻。
孩子们能看到成年人忽略的细节——这就是绘本如此重要的原因。
Thought is the means by which the organism negotiates its way through the world.
If you can imagine it, and believe it, you can achieve it.
The future of energy lies in diversification—no single source will meet all our needs.
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 war is much worse.
The quest for certainty blocks the search for meaning. Uncertainty is the very condition to impel man to unfold his powers.
