Democracy is not a spectator sport.
宇宙不仅比我们想象的更奇怪,它比我们能够想象的还要奇怪。
If you don't fail at least 90 percent of the time, you're not aiming high enough.
如果不改善个人,就无法希望建立一个更美好的世界。
一个成功的农场是既能滋养人类又能滋养环境的农场。