最先进的农业系统仍然依赖于最基本的要素：健康的土壤。
The most innovative solutions often come from constraints.
He who sacrifices freedom for security deserves neither.
The world of experience is produced by the man who experiences it.
The dead are never really gone until the living stop remembering them.
宇宙不仅比我们想象的更奇怪，而且比我们能够想象的更奇怪。