Learning never exhausts the mind.
For once you have tasted flight you will walk the earth with your eyes turned skywards, for there you have been and there you will long to return.
Nothing can be love or hated unless it is first known
People react to fear, not love - they don't teach that in Sunday School, but it's true
You do ill to praise, but worse to censure, what you do not understand
Marriage is like putting your hand into a bag of snakes in the hope of pulling out an eel
Intellectual passion drives out sensuality
A good painter is to paint two main things, men and the working of man's mind
Anyone who conducts an argument by appealing to authority is not using his intelligence he is just using his memory
Learning never exhausts the mind