不能言说之事，必须保持沉默。

I have always believed that the way you treat others is a reflection of how you feel about yourself.

The more I live, the more I regret how little I know.

道德的营养不良和精神的中毒对人的心灵的危害，正如身体的营养不良对于身体健康的危害一样。

To know is nothing at all; to imagine is everything.

Sustainability isn't just about planting trees—it's about planting the right trees in the right places for the right reasons.

I'm not a king, I'm not a god, I'm just a man who's trying to make sense of the world.

I don't give up. I level up.

My scientific studies have afforded me great satisfaction; and I am convinced that it will not be long before the whole world acknowledges the results of my work.