"I always try to put a little bit of humor in my drawings, because I think it makes them more enjoyable."
In mathematics, the simplest questions often lead to the deepest insights.
可持续性不是一种选择，而是我们对后代的责任。
In science, patience is not just a virtue; it's a necessity.
Life is too short to waste time hating anyone.
The world is so full of simple, obvious, and beautiful things that it's a wonder anyone ever bothers to invent anything at all.