But, though all our knowledge begins with experience, it by no means follows that all arises out of experience.

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 laws of physics could be like an onion, with new laws becoming operational as we probe new scales. We simply don't know!

European Christianity has allowed itself to be intimately united with the powers of this world. Now that these powers are falling, it is as if it were buried under their ruins.

I think Ewen Bremner is incredible.

As a species, we create tools to control our environment. What excites my imagination is wilderness: our materials' ability to escape our control.

It's great that people get together and collaborate, talk about the facts and the analysis, all in the interest of having a great financial system.

The challenge is always before us. Whenever we lose sight of the principles that mattered to our founders we run into trouble.

I met a guy yesterday, 7 feet tall. Yeah, handsome, great big guy, 7 feet tall! ... I figured he had to be in sport, but he wasn't in sport.

Because nobody but a reader ever became a writer.

A couple of years I taught in graduate programs at NYU and Columbia, in the early eighties.

The light shines in the darkness, but the darkness cannot understand it