The most important scientific revolutions all include, as their only common feature, the dethronement of human arrogance from one pedestal after another of previous convictions about our centrality in the cosmos.

Death is the ultimate enemy - and I find nothing reproachable in those who rage mightily against the dying of the light.

I can envision observations and experiments that would disprove any evolutionary theory I know.

Goethe died in 1832. As you know, Goethe was very active in science. In fact, he did some very good scientific work in plant morphology and mineralogy. But he was quite bitter at the way in which many scientists refused to grant him a hearing because he was a poet and therefore, they felt, he couldn't be serious.

The origin of Homo sapiens, as a tiny twig on an improbable branch of a contingent limb on a fortunate tree, lies well below the boundary.

In the great debates of early-nineteenth century geology, catastrophists followed the stereotypical method of objective science-empirical literalism. They believed what they saw, interpolated nothing, and read the record of the rocks directly.

The dogmatist within is always worse than the enemy without.