无论你变得多么优秀，你总能变得更好，这才是最激动人心的部分。
No matter how good you get you can always get better, and that's the exciting part.
We must focus on customers and continuously improve the quality of products and services.
What of soul was left, I wonder, when the kissing had to stop?
The soul is not a thing you can have. It is a way of being in the world.
I must study politics and war that my sons may have liberty to study mathematics and philosophy.
The best advice I can give is to stay humble and work hard.