你是自己生活的艺术家。不要把画笔交给别人。
You are the artist of your own life. Don't hand the paintbrush to anyone else.
In mathematics, the simplest questions often lead to the most profound discoveries.
过度捕捞的真正代价是用空网和破碎的生态系统来衡量的。
Children aren’t coloring books. You don’t get to fill them with your favorite colors.