Only idiots refuse to change their minds.
Gravity is only the bark of wisdom's tree; but it preserves it
Let there be spaces in your togetherness.
Early to bed and early to rise, Makes a man healthy, wealthy, and wise.
Men are not prisoners of fate, but only prisoners of their own minds.
Knowledge speaks, but wisdom listens
I've never known any trouble than an hour's reading didn't assuage.
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.
Nothing is more intolerable than to have to admit to yourself your own errors.
One must wait until the evening to see how splendid the day has been.
Never do anything when you are in a temper, for you will do everything wrong.
There is nothing more uncommon than common sense.
Achievement brings its own anticlimax.
And no one will listen to us until we listen to ourselves.
Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.
What's real and what's true aren't necessarily the same.
Beer: The cause of, and solution to, all of life's problems.
Act enthusiastic and you will be enthusiastic
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.