Can a geology teacher blithely tell his students that the earth is flat, or a European history professor that the Holocaust didn't happen? That's not academic freedom, but dereliction of duty.

If the history of science shows us anything, it is that we get nowhere by labeling our ignorance “God”.

Faith is a padlock of the mind, and few keys can open it.

If the history of science teaches us anything, it is that what conquers our ignorance is research, not giving up and attributing our ignorance to the miraculous work of a creator.

Religion is based on dogma and belief, whereas science is based on doubt and questioning.

We don't have faith in reason; we use reason because, unlike revelation, it produces results and understanding. Even discussing why we should use reason employs reason!

In religion, faith is a virtue. In science, faith is a vice.

Damn, but science is just a constant feed of cool new facts and theories. Theology doesn't come close.

Evolution tells us where we came from, not where we can go.

We now have many of the answers that once eluded Darwin, thanks to two developments that he could not have imagined: continental drift and molecular taxonomy.

All scientific progress requires a climate of strong skepticism.

Hate wields no sustainable power

For a poet reality is mysterious, imaginations are magical, and perceptions are magnificent.

Perhaps a human simply falls back into himself upon the disintegration of his physical body, and continues to take form within the self of himself, simply returning from whence he came.

What wretched doings come from the ardor of fame; the love of truth alone would never make one man attack another bitterly.

Most people hate to say no - but not nearly as much as other people hate to hear it.

It's the honesty you apply to your playing that makes music enjoyable. The style of the music has little to do with it. It's only honesty makes it beautiful.

It's [Joni Mitchell's "A Case of You"] been one of my favorite songs for my entire life.

To be audacious with tact, you have to know to what point you can go too far.

Just because no one has ever gotten better from Spasmodic Dysphonia before doesn't mean I can't be the first.

A solitary, unused to speaking of what he sees and feels, has mental experiences which are at once more intense and less articulate than those of a gregarious man.