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

"Every portrait that is painted with feeling is a portrait of the artist, not of the sitter."

We are all alone, born alone, die alone, and—in spite of True Romance magazines—we shall all someday look back on our lives and see that, in spite of our company, we were alone the whole way.

奇迹每天都在发生。

世界是残酷的，我的书反映了这一点。

"The world is not a wish-granting factory."

教育是打开自由之门的金钥匙。