I think that's what really a substantial work is, it's forever. It's the truth now and it was the truth then, and it will be the truth tomorrow.
I have thought about it a great deal, and the more I think, the more certain I am that obedience is the gateway through which knowledge, yes, and love, too, enter the mind of the child.
Criticism may not be agreeable, but it is necessary. It fulfils the same function as pain in the human body. It calls attention to an unhealthy state of things.
The way of the superior person is threefold; virtuous, they are free from anxieties; wise they are free from perplexities; and bold they are free from fear.
All progress is precarious, and the solution of one problem brings us face to face with another problem.
Against my will, in the course of my travels, the belief that everything worth knowing was known at Cambridge gradually wore off. In this respect my travels were very useful to me.
Books ARE a form of political action. Books are knowledge. Books are reflection. Books change your mind.