If you don't like something, change it. If you can't change it, change your attitude.
The beauty of mathematics only shows itself to more patient followers.
Believe in yourself and all that you are.
Success is not final, failure is not fatal: It is the courage to continue that counts.
天道如网,看似稀疏却无遗漏
过去是一个异国;他们在那里做事的方式不同。