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Don’t be afraid to stand alone.

——在廣州全國青年聯合會演說，1923年10月21日

I'm not perfect and I don't pretend to be.

Collaboration is key—no single organization can solve the world’s environmental challenges alone.

Happiness is not the absence of problems, but the ability to deal with them.

"I am not a writer who writes to entertain. I write to provoke thought and challenge the status quo."

The universe we observe has precisely the properties we should expect if there is, at bottom, no design, no purpose, no evil, no good, nothing but blind, pitiless indifference.

"The only thing we have to decide is what to do with the time that is given us."