A mistake is always forgivable, rarely excusable and always unacceptable.
A house divided against itself cannot stand.
Confidence is contagious. So is lack of confidence.
It is the mark of an educated mind to be able to entertain a thought without accepting it.
And no one will listen to us until we listen to ourselves.
If we know exactly where we're going, exactly how to get there, and exactly what we'll see along the way, we won't learn anything.
If you don't behave as you believe, you will end by believing as you behave.
Science is organized knowledge. Wisdom is organized life.
I have had good experience and trial of this world...I know what it is to be a subject, what to be a sovereign, what to have good neighbours, and sometimes meet evil willers. I have found treason in trust, seen great benefits little regarded.
One never notices what has been done; one can only see what remains to be done.
You can best serve civilization by being against what usually passes for it.
Drop the idea of becoming someone, because you are already a masterpiece. You cannot be improved. You have only to come to it, to know it, to realize it.
You are braver than you believe, stronger than you seem, and smarter than you think.
Rest satisfied with doing well, and leave others to talk of you as they please.
Knowing yourself is the beginning of all wisdom.
Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.
Better mad with the rest of the world than wise alone.
It is tact that is golden, not silence.
It is better to be looked over than overlooked.
The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?
Don't raise your voice, improve your argument.