No matter how good you get you can always get better, and that's the exciting part.

Logic is the mirror of thought.

痛苦的秘诀在于有空闲去烦恼自己是否幸福。

Truth is not spoken in anger. Truth is spoken, if it ever comes to be spoken, in love.

愚昧是暴政的温床。

Collaboration across sectors is essential to achieving meaningful progress in emissions reduction.