In every department of physical science there is only so much science, properly so-called, as there is mathematics.

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.

Even ivory towers need central heating.

In the middle of the North Pole, anything hot gives the feeling like touching the hand of the God!

Nature is relentless and unchangeable, and it is indifferent as to whether its hidden reasons and actions are understandable to man or not.

Why is it that no one understands me and everybody likes me

Happiness isn’t some elusive treasure we chase after. It’s a state of being we need to PRACTICE.

When I said I do, I meant that I will, 'till the end of all time.

In the end, all critics should be guided by this one principle: Is this piece of work [TV show, movie, play, concert, album, restaurant] succeeding at what it set out to do?

A traumatic event doesn't doom us to suffer indefinitely. Instead, we can use it as a springboard to unleash our best qualities and lead happier lives.

There is too much illustrating of the news these days. I look at many editorial cartoons and I don't know what the cartoonists are saying or how they feel about a certain issue.

If you can tell a story well, you can move people to do something.