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.

自由并不意味着摆脱某物，而是能够自由地去做某事。

"The truth is often more complicated than the stories we tell ourselves."

灵魂是一种通过所有感官发射其光芒的火焰；存在就在于这火焰之中。

The natural price of labor is that price which is necessary to enable the laborers, one with another, to subsist and to perpetuate their race, without either increase or diminution.

Love is the most powerful force in the world.