What are the aims which are at the same time duties? They are perfecting of ourselves, the happiness of others.

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.

The group of people that are insulting the society with ungodliness are those that are out rightly known with ungodliness and those that try to mimic godliness.

I resisted writing a book for a long time because I didn't want to invade anyone else's privacy or hurt anyone or anger anyone.

Truth is poetry; it is the grandest poetry.

Poets do not go mad, but chess players do.

If only I could master that demon of procrastination that goes about like a roaring lion and devours all my good intentions, I should become the most punctual man in the world.

Wraiths! Wraiths on wings!

I knew I was going to go into the field and make fun of people to their faces. I knew what I was getting into.

Freedom to a dancer means discipline. That is what technique is for -- liberation.

It's nice to collect stamps, but if it becomes obsessive, and you start stealing for your stamps, it becomes too much.

If you make mistakes that is alright because we all make mistakes and we learn from those mistakes. You gain confidence from learning, failing and rising again.