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

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

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

Do the right thing because it is right.

I promised to touch your soul. I never said it would be painless.

The value of a man should be seen in what he gives and not in what he is able to receive

Just as you can never squeeze water out of the water, you can never squeeze the good out of goodness: You simply tap into the good by positioning yourself and allowing it.

The isolated imagination is easily corrupted by theory, but the writer inside his community seldom has such a problem.

Civilizations rise and fall on confidence. America had figured out a way to borrow money to manufacture it.

To acquire knowledge, one must study; but to acquire wisdom, one must observe.

When the power of imparting joy is equal to the will, the human soul requires no other heaven.

I made a conscious decision back then that I would rather be the best actress who ever lived than the most famous one.

No more than six words on a slide. Ever. There is no presentation so complex that this rule needs to be broken.

Arrogance is an utterly appropriate weapon to use against a hostile world, a world in which arrogance is feared and respected, even if, like mine, it's only feigned.