我们都是等待被发掘的潜在化石。

你停止尝试的那一刻，就是你开始死亡的那一刻。

你后半生的深刻个人材料就是你的童年。

A book is a mirror: if an ape looks into it, an apostle is unlikely to look out.

The course of development consists simply in this; that in each generation the two parental traits appear, separated and unchanged.

旅行对偏见、固执和狭隘是致命的。

短期利益永远不应以牺牲长期可持续性为代价。