成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事，你就会成功。
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
A method of solution is perfect if we can foresee from the start, and even prove, that following that method we shall attain our aim.
The past is a teacher, if we are willing to learn.
想要行善的人在门外敲著门：爱人的，看见门是敞开的。
I believe in being kind to others, but I also believe in standing up for myself.
Will you be clever at the expense of others， or will you be kind？