Never let success get to your head or failure to your heart.
Love is the most important thing in the world.
The only freedom which deserves the name is that of pursuing our own good in our way， so long as we do not attempt to deprive others of theirs or impede their efforts to obtain it.
物理学的美丽在于它能够用一些基本原理来描述宇宙。
When you have to kill a man it costs nothing to be polite.
Why worry? If you’ve done the very best you can, worry won’t make it any better.
"To understand a society, look at its trash."
The growth and development of people is the highest calling of leadership.