I wanted to change the world. But I have found that the only thing one can be sure of changing is oneself.
All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.
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 we don't believe in freedom of expression for people we despise, we don't believe in it at all.
The more skilled you are at something, the worse you are at it when showing someone.
It has seemed to be more necessary to have regard to the weight of words rather than to their number.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
In moments of great grief, thatís where you look and immerse yourself. You realise you are not immortal, you are not a god, you are part of the natural world and you come to accept that.
Courage, above all things, is the first quality of a warrior.
Challenges are gifts that force us to search for a new center of gravity. Don't fight them. Just find a new way to stand.
In anger we should refrain both from speech and action.
Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.
Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.
If you don't behave as you believe, you will end by believing as you behave.
No man has any natural authority over his fellow men.
Circumstances do not make a man, they reveal him.
Great dreams of great dreamers are always transcended.
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.
Think globally, act locally.
A mistake is always forgivable, rarely excusable and always unacceptable.
Kind words don't cost much. Yet they accomplish much.