The more you know, the more you realize how little you know.

损失厌恶的概念解释了为什么我们通常更倾向于避免损失而不是获得收益。

I pursue no objectives, no systems, no tendency; I have no program, no style, no direction.

儿童是通过努力从事活动，从而使个人得到发展的。