"Nur wer die Gefahr besteht, geht in sich."
The best thing about getting older is that you don't lose all the other ages you've been.
企业的目标不仅仅是赚钱，而是要有所作为。
Mathematics is a way of thinking, not just a collection of facts.
我不是政客，不是传教士，我只是个载体。
Persist in doing what you love, and don't give up easily even when facing difficulties.