I never allow myself to have an opinion on anything that I don’t know the other side’s argument better than they do.

我不在乎你是否被冒犯。我不会停下来。

Security is always excessive until it's not enough.

"The most important thing in science is not so much to obtain new facts as to discover new ways of thinking about them."

教育必须基于儿童的心理发展，而不是教育者的任意意志。