知之曰知之，不知曰不知；内不自以诬，外不自以欺。
出自先秦《荀子·儒效》。对于所知道的东西就说知道，不知道的就说不知道；这样，对内是不欺骗自己的良心，对外是不欺骗他人。说明为人应当诚实的道理。
Tomorrow， in a very real sense， your life -- the life you author from scratch on your own -- begins.
And when your sorrow is comforted time soothes all sorrows you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure…
书籍是反映我们潜力的镜子。
The role of a leader is to create more leaders, not followers.
21世纪的领导力需要远见和适应性；蓬勃发展的公司将是那些预见变化而不是抵制变化的公司。