有用是这些老人曾经对自己最好的希望,而无目的是他们最深的恐惧。
Make it simple. Make it memorable. Make it inviting to look at. Make it fun to read.
科学的挑战不仅在于找到答案,还要理解其更深层次的含义。
生活中最重要的不是征服,而是要战斗得好。
Some people go to priests; others to poetry; I to my friends.