Loneliness is the price we pay for being born.
解析:教导学生,不到他想弄明白而不得的时候,不去开导他;不到他想出来却说不出来的时候,不去启发他。
An understanding of the natural world and what's in it is a source of not only a great curiosity but great fulfillment.
你可以是世界上最美丽的人,每个人看到你时都看到光明和彩虹,但如果你自己不知道这一点,所有这些都不重要。
I think the target of anything in life is to be happy.