True progress happens when we balance economic growth with environmental stewardship.

Collaboration in mathematics is essential; no one can solve all the problems alone.

The forest doesn’t belong to us; we belong to the forest.

我为我所做的感到快乐和自豪，但从未完全满足。

The only way to have a friend is to be one.

The state, therefore, has not existed from all eternity. There have been societies that did without it, that had no notion of the state or state power. At a certain stage of economic development, which was necessarily bound up with the split of society into classes, the state became a necessity.

"The power of a story is in its ability to unite us."