War is an ugly thing, but not the ugliest of things; the decayed and degraded state of moral and patriotic feeling which thinks that nothing is worth war is much worse.
人生的真正意义在于种树,虽然你并不期待坐在树荫下。
人们不禁会感到这些数学公式拥有独立的存在和自己的智慧,它们比我们更聪明,甚至比它们的发现者更聪明。