In mathematics, you don't understand things. You just get used to them.
化妆可以让一个人看起来更漂亮,但却掩饰不了丑陋的内心。除非谁能把化妆品吃掉。
人生最大的美德是真正的勇气,懂得如何面对事实并超越它们。
Freedom is man's capacity to take a hand in his own development. It is our capacity to mold ourselves.
盈利和环境保护可以而且必须齐头并进。
在野外,没有捷径。你必须为每一步付出努力。