The best teacher in life is experience.
大脑的活动构成了心智
农业的可持续性不是一种选择,而是我们星球未来的必需品。
在我们身上,没有什么是永恒的。
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.
The best way to send an idea is to wrap it up in a person.