種樹的最佳時(shí)間是20年前；第二好的時(shí)間就是現(xiàn)在。
The best time to plant a tree was 20 years ago; the second best time is now.
Government, even in its best state, is but a necessary evil; in its worst state, an intolerable one.
The most powerful tool in science is not technology, but imagination.
我不害怕冒險(xiǎn)，也不害怕失敗。
山間千年以上的樹是有的，但世上百歲以上的人卻不多見。
在最低階層中保存知識(shí)的手段對(duì)公眾來說比國家中所有富人的所有財(cái)產(chǎn)都更重要。
Every cell in our body has a story to tell, we just need to learn how to listen.