You can't go back and change the beginning, but you can start where you are and change the ending.
你无法回到过去改变开头，但你可以从现在开始改变结局。
哲学在成功时是装饰品，在失意时是避难所，在年老时是供应品。
No man really knows about other human beings. The best he can do is to suppose that they are like himself.
The past is a foreign country; they do things differently there.
The best way to learn is by doing.
I am not without possessions; I have freedom.
最好的肥料是农民的影子（意指农民的辛勤劳动）。
"The pursuit of knowledge is the most noble of endeavors, for it is through understanding that we unlock the mysteries of the universe."