人类不像其它动物那样,生来具有已业已协调的动作,人必须学会协调自己的动作。
瀑布歌唱著:虽然渴者只需少许水便足够,我却乐意给与我的全部。
Mental processes exist because they have served life's continuance.
In chemistry, the smallest change can lead to the biggest revolutions.
The best fertilizer is the farmer's shadow.