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

The past is a shadow that follows us into the future.

把仁心存在自己心中是先贤的最高学问，行为中尽自己的本分是圣贤的最高功夫。

广东话谚语

请你允许我告诉你，我是多么热烈地敬慕你和爱你。