Productivity metrics that ignore environmental impact are accounting tricks, not real progress.
忽视环境影响的生产力指标只是会计把戏，而非真正的进步。
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.
Education is the art of making man ethical.
The health of our oceans is directly linked to the health of our planet and humanity.
Improve yourself through reflection.
The truth is rarely pure and never simple.