We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light.
我们可以轻易原谅害怕黑暗的孩子；人生真正的悲剧是成年人害怕光明。
判断两个λ表达式是否等价的问题是无法解决的。
世界是你内心的投射。你抱怨生活不公，往往是因为内心失衡；你觉得世界美好，是因为你心中有光。改变心态，就能改变你看世界的角度。
You can tell whether a man is clever by his answers. You can tell whether a man is wise by his questions.
In uncertain times, flexibility is more important than long-term planning.
In the desert, I found a freedom that the city could never offer.