What lies behind us and what lies ahead of us are tiny matters compared to what lives within us.

Chaos is a name for any order that produces confusion in our minds.

Don't expect to build up the weak by pulling down the strong.

He alone is free who lives with free consent under the entire guidance of reason.

Never pick a fight with an ugly person, they've got nothing to lose.

Never do anything when you are in a temper, for you will do everything wrong.

The weak can never forgive. Forgiveness is the attribute of the strong.

Learning and wisdom are superfluities, the surface glitter merely, but it is the heart that is the seat of all power.

How often I found where I should be going only by setting out for somewhere else.

If you don't like someone's story, write your own.

If you don't want to slip up tomorrow, speak the truth today.

The more skilled you are at something, the worse you are at it when showing someone.

The noblest pleasure is the joy of understanding.

If you're happy, don't worry you'll get over it.

It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.

If you would take, you must first give, this is the beginning of intelligence.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.