The more we learn, the more we realize how little we know.
"Courage is not the absence of fear, but the will to act in spite of it."
The self is not found in isolation but in relationship.
The improvement of understanding is for two ends: first, our own increase of knowledge; secondly, to enable us to deliver that knowledge to others.
想要制服洋人的祸患，必先熟悉洋人的国情。
In three words I can sum up everything I've learned about life: it goes on.
A man is rich in proportion to the number of things which he can afford to let alone. That man is the richest whose pleasures are the cheapest.