Envy is the ulcer of the soul.

There are unknown forces in nature; when we give ourselves wholly to her, without reserve, she lends them to us; she shows us these forms, which our watching eyes do not see, which our intelligence does not understand or suspect.

True progress measures both economic growth and ecosystem health.

我试图摆脱那些自信满满地回答自己并不真正了解的问题的人。