The discovery of stars orbiting the supermassive black hole at the galactic center was a turning point in astrophysics.

若你遇上麻烦，不要逞强，你就跑，远远跑开。

I think it's important to have a sense of humor about yourself and not take yourself too seriously.

可持续发展需要在创新和风险控制之间找到平衡。