The goal of synthesis should be to make molecules as easily as possible, not just possible.

企业家精神就是永不言弃，在困难面前寻找机会。

解释：时机未到，就不能勉强行事；行事不探求事理，就不可能达到成功。

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.