"The world is tough, but you’re tougher."
世界很艰难，但你更强大。
Most people are too fretful, they worry too much.Success means being very patient, but aggressive when it's time.
The essence of mathematics lies in its freedom.
Have you given any thought to your future？
"The truth is not always beautiful, but the search for it is."
No need to hurry. No need to sparkle. No need to be anybody but oneself.