Loneliness is not the absence of others, but the absence of oneself.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

可持续发展不是一种选择，而是我们对后代的责任。

"You have to be willing to go to the places that scare you."

导师的职责是指导孩子的智能活动和孩子的心理。

Empathy is the key that unlocks the door to understanding and connection with others.

I've always been interested in art and making things, but I chose not to go to art school because I thought I needed to do something else. Art was a tough way to make a living. I've always done both. I just kind of figured that the marine biology would be a career and the art would be something I did for my own self-expression.

The power of accurate observation is commonly called cynicism by those who have not got it.