The true poem is written not with ink but with blood.

可持续性不是成本；而是对我们共同未来的投资。

The only thing more dangerous than ignorance is arrogance.

Animals are such agreeable friends―they ask no questions, they pass no criticisms.

"What you don't know can't hurt you, but it can kill you."

最好的想法往往来自于挑战现状。