Only idiots refuse to change their minds.
A person who spends more than he earns is a fool
Judge not unless you judge yourself.
Those who can not change their minds can not change anything.
If you do what you've always done, you'll get what you've always gotten.
Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.
A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.
The only way to get the best of an argument is to avoid it.
The greatest minds are capable of the greatest vices as well as of the greatest virtues.
Be curious, not judgmental.
Love make us poets, and the approach of death should make us philosophers.
When prosperity comes, do not use all of it.
Adapt what is useful, reject what is useless, and add what is specifically your own.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.
It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.
Men become wise just as they become rich, more by what they save than by what they receive.
Turn your wounds into wisdom.
When playing board-games which involve quizzes etc, you will always know the answers to everyone else's set of questions but never your own.
The one you buy will be the only one that doesn't work.
A proverb is much matter distilled into few words.
If you don't behave as you believe, you will end by believing as you behave.