All life worth living is difficult, nobody promised us happiness; it is not a commodity you have earned, or shall ever earn. It is a by-product of brave living, and it never comes in the form we expect, or at the season we hoped for, or as the result of our planning for it.

Education must be taken out of the hands of rich illiterates, third rate politicians, and put where it belongs: in the care of scholars. At present the whole University system is rotten to the core, and an appalling waste of time, energy and money.

Your mind outwears all sorts of things you may set your heart upon; you can enjoy it when all other things are taken away.

And yet, we know how fatal the pursuit of liveliness may be: it may result in ... tiresome acrobatics. ... Flashy effects distract the mind. They destroy their persuasiveness; you would not believe a man was very intent on ploughing a furrow if he carried a hoop with him and jumped through it at every other step. ... When virtuosity gets the upper hand of your theme, or is better than your idea, it is time to quit.

I want to go and see the world. I want to know the world like the palm of my hand.

Freedom, remember, is not the same as liberty.

There is no such thing as an exact synonym and no such thing as an unmixed motive.