过去是一桶灰烬。

The role of education in economic development cannot be overstated; it is the foundation upon which innovation and productivity are built.

"The truth is rarely pure and never simple."

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

The bitterest creature under heaven is the wife who discovers that her husband's bravery is only bravado.