Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.
Intelligence is a moral category.
The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.
A crust eaten in peace is better than a banquet partaken in anxiety.
It is tact that is golden, not silence.
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self.
In the practice of tolerance, one's enemy is the best teacher.
Wonder is the beginning of wisdom.
Rest satisfied with doing well, and leave others to talk of you as they please.
If you are neutral in situations of injustice, you have chosen the side of the oppressor.
A single lie destroys a whole reputation of integrity.
Whatever it is you're seeking won't come in the form you're expecting.
Knowledge speaks, but wisdom listens
Be sure you put your feet in the right place, then stand firm.
An intelligent hell would be better than a stupid paradise.
In order to change the world, you have to get your head together first
Doubt is the origin of wisdom
The only real mistake is the one from which we learn nothing.
What's real and what's true aren't necessarily the same.
It is a cliche that most cliches are true, but then like most cliches, that cliche is untrue.
Nothing is more intolerable than to have to admit to yourself your own errors.