Those who know, do. Those that understand, teach.
Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.
Fear doesn't exist anywhere except in the mind.
Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
I know I am but mortal and so therewhilst prepare myself for death, whensoever it shall please God to send it.
There are things known and there are things unknown, and in between are the doors of perception.
Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.
The only real laughter comes from despair.
If you only read the books that everyone else is reading, you can only think what everyone else is thinking.
Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.
Unfortunately, the clock is ticking, the hours are going by. The past increases, the future recedes. Possibilities decreasing, regrets mounting.
Time wounds all heels.
It is neither good nor bad, but thinking makes it so.
If you don't behave as you believe, you will end by believing as you behave.
Those who can not change their minds can not change anything.
A mistake is always forgivable, rarely excusable and always unacceptable.
An understanding of the natural world is a source of not only great curiosity, but great fulfilment.
Learn from the mistakes of others. You can never live long enough to make them all yourself.
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.
The first thing you'll have to do, is the last thing you wished.
The more that you read, the more things you will know. The more that you learn, the more places you'll go.