If man makes himself a worm he must not complain when he is trodden on.

Science is organized knowledge. Wisdom is organized life

It is beyond a doubt that all our knowledge begins with experience.

Rules for Happiness: something to do, someone to love, something to hope for.

We can judge the heart of a man by his treatment of animals.

Two things fill the mind with ever new and increasing admiration and awe, the oftener and more steadily we reflect on them: the starry heavens above me and the moral law within me.

Always recognize that human individuals are ends, and do not use them as means to your end.

Three things tell a man: his eyes, his friends and his favorite quotes

You only know me as you see me, not as I actually am

The greatest human quest is to know what one must do in order to become a human being.

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

How old you are has nothing to do with how wise, smart, or mature you've actually become.

The truest grace is not to forgive, but to have never found fault.

We are no more content to plod along the beaten paths - and so marriage must go the way of God.

I could never say that one religion is wrong. I could never say that this person's God is wrong, I could never say that someone is wrong because they don't believe in God

The only way to survive is to have a sense of humour.

The source of all abundance is not outside of you. It's a part of who you are.

Stop trying to write sentences and start trying to write stories.

I always looked up to Michael [Jackson] because he was never afraid to just be himself, never tried to be anything that he wasn't.

If I can finish a cartoon in 20 minutes, then that's the ideal editorial cartoon - it's to the point.

We are pleased we haven't got one on order. It's too big an aircraft.