The mathematician's patterns, like the painter's or the poet's, must be beautiful.
数学家的模式，就像画家或诗人的模式一样，必须是美丽的。
宇宙的周期性变化源于爱和争斗的相互支配。
I like dogs. You always know what a dog is thinking. It has four moods. Happy, sad, cross and concentrating. Also, dogs are faithful and they do not tell lies because they cannot talk.
农民是最早的环保主义者，我们只需要给他们合适的工具。
我知道自我推销很常见，这并不坏。但我不认为这是积极的。
