The true value of a mathematician lies in the problems they leave behind.
A sustainable world starts with sustainable choices.
The only way you can write the truth is to assume that what you set down will never be read.
没有人写作、绘画、雕塑、建模、建造或发明,除非是为了真正地逃离地狱。
I'm not a person who likes to be ordinary.
Small actions, multiplied by millions, can transform the world.