如果你在那些你不应该沉默的时刻保持沉默，那么拥有声音的意义何在？

I do not know what I may appear to the world， but to myself I seem to have been only like a boy playing on the sea-shore， and diverting myself in now and then finding a smoother pebble or a prettier shell than ordinary， whilst the great ocean of truth lay all undiscovered before me.

最大的悲剧是普通人的悲剧。

农业的成功来自于对土地和市场的双重理解。