数学的本质在于它的自由。
世上没有所谓的快乐结局,只有合适的停顿之处。
In general, the art of government consists of taking as much money as possible from one class of citizens to give to another.
腐蚀青年最可靠的方法就是教导他尊重那些思想相同的人,而不是那些思想不同的人。