数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。
"The writer is a man who is always trying to find the right balance between form and content, between style and substance, between art and life."
在别人面前受称赞，不如背后没有人说坏话；与人相处能使人获得短暂快乐，不如与人长久相处而不使对方厌恶。
The only limit to our realization of tomorrow is our doubts of today.