Complexity is not just about the number of components in a system, but about the nature of their interactions.

Technology alone won't solve our challenges—it's how we apply it that matters.

A man who knows why he lives can endure any kind of life.

不耽误农业生产的季节，粮食就会吃不完；密网不下到池塘里，鱼鳖就会吃不完；按一定的季节入山伐木，木材就会用不完。