The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

Black holes are not just cosmic vacuums; they are the ultimate laboratories for testing the limits of our physical theories.

The protection of fishery resources is not a multiple-choice question, but a required question.

缺乏美感的理论不太可能是正确的。

保持渴望，保持年轻。

The healthy social life is found when in the mirror of each human soul the whole community finds its reflection, and when in the community the virtue of each one is living.

I love to think of nature as an unlimited broadcasting station, through which God speaks to us every hour, if we will only tune in.

We're all working together; that's the secret.