The best stories are those that remind us that the world is alive.

自动控制的艺术在于正确调整修正力。

You never fail until you stop trying.

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.

我们鱼类的健康反映了我们水域的健康，它们是不可分割的。