A man lies the most when he lies to himself.
If you don't make mistakes, you're not trying hard enough.
有了实际工作的经验，幼儿的自我就会逐渐发展强化。
最好的故事是那些挑战你以不同方式思考的故事。
The art of education must be to bring the child to the point where he can educate himself.