不幸福的主要原因从来都不是你身处的状况，而是你对此的想法。

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.

每一块面包都讲述着工艺和奉献的故事。

科学领域的多样性会带来更丰富的视角和更好的解决方案。