The man with a toothache thinks everyone happy whose teeth are sound. The poverty-stricken man makes the same mistake about the rich.

The role of the infinitely small in nature is infinitely large.

The only way to tell the truth is to speak without fear.

On innovation: "I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out."

储蓄率是经济发展中最具战略意义的变量。

不要只种植作物，要培育生态系统。

"We are all just walking each other home."