过去是一个拒绝离去的幽灵。
"The past is a ghost that refuses to leave."
有人今天坐在树荫下,因为他很久以前种了一棵树。
真正的挑战不是生产更多粮食,而是用更少的浪费更聪明地种植。
预测未来的最好方式就是创造未来。
The test of a first-rate intelligence is the ability to hold two opposed ideas in the mind at the same time, and still retain the ability to function.