理解学习问题的计算复杂性对于开发高效算法至关重要。
数学的美在于它是一种可以以其他任何方式都无法描述宇宙的语言。
One way of looking at speech is to say that it is a constant stratagem to cover nakedness.
There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other.
Idols are supposed to be good-looking, but I'm not handsome, so I don't expect people to notice me because of my looks.