種一棵樹(shù)最好的時(shí)間是20年前，第二好的時(shí)間是現(xiàn)在。
思想之流是生命解決問(wèn)題的流。
A book is a meeting place, a shared space of imagination.
"In the midst of winter, I found there was, within me, an invincible summer."
無(wú)論如何都不要放棄，永遠(yuǎn)相信你的夢(mèng)想是可以實(shí)現(xiàn)的，并且努力把目標(biāo)達(dá)成。
Biography is the art of making the dead live again.
科學(xué)家的遺產(chǎn)不在于發(fā)表的論文，而在于激發(fā)的心靈。
The truth is not always beautiful, nor beautiful words the truth.