兼听则明，兼信则暗。不迷信权威，勇于独立思考，才能更明白的看待这个世界。

人格在你20多岁时比在人生的任何其他时期都更容易改变。

所有人要么是自由的，要么是奴隶。

Evil is not something that can be explained. It just is.

The surest way to corrupt a youth is to instruct him to hold in higher esteem those who think alike than those who think differently.

You’ll get 10x better results by elevating good behavior rather than punishing bad behavior， especially in children and animals.