~ Never doubt that a small group of thoughtful citizens can change the world. Indeed, it is the only thing that ever has. ~
~ Believe those who are seeking the truth; doubt those who find it. ~
~ The relationship between commitment and doubt is by no means an antagonistic one. Commitment is healthiest when it is not without doubt but in spite of doubt. ~
~ Doubt is the beginning, not the end, of wisdom. ~
~ Doubt whom you will, but never yourself. ~
~ If a man will begin with certainties, he shall end in doubts; but if he will be content to begin with doubts, he shall end in certainties. ~