心理活动的目的是引导行为。

"The heart is a lonely hunter, and it will always be so."

It seems to me that the natural world is the greatest source of excitement; the greatest source of visual beauty; the greatest source of intellectual interest. It is the greatest source of so much in life that makes life worth living.

你能给孩子最伟大的礼物就是自尊的礼物。