As in geometry the most natural way of beginning is from a mathematical point, so is the same method in observations and natural history the most genuine, simple, and instructive.
正如几何学最自然的起点是数学点，在观察和自然历史中采用同样的方法也最真实、简单且富有教益。
I'm a workaholic and I don't believe in 'no.' I believe in 'yes' and making it happen.
逻辑法则不是心理法则，而是思维法则的法则。
Never stop learning—the moment you think you know everything is the moment you start falling behind.
永远不要停止学习——当你认为自己什么都懂的那一刻，就是你开始落后的时刻。
故事是我们理解世界的方式。
学习数学的唯一方法就是做数学。
The task of psychology is to map the structure of consciousness.
"I don't post everything, but what I do post is a piece of my heart."