释义：当过去被否定、未来令人恐惧时，人便活在现实的煎熬中。

科学与农业的结合将为农民创造更美好的未来。

The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.

在每个角色中，都有我的一部分。

世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。