What's been gratifying is to live long enough to see molecular biology and evolutionary biology growing toward each other and uniting in research efforts.

I had in mind a message, although I hope it doesn't intrude too badly, persuading Americans, and especially Southerners, of the critical importance of land and our vanishing natural environment and wildlife.

We ought to recognize that religious strife is not the consequence of differences among people. It's about conflicts between creation stories.

Ants are the dominant insects of the world, and they've had a great impact on habitats almost all over the land surface of the world for more than 50-million years.

The construction of extensive railways, however, and particularly the consolidation of small, experimental lines into large systems, dates from the days of the discovery of gold in California.

We must not confuse religion with God, or technology with science. Religion stands in relationship to God as technology does in relation to science. Both the conduct of religion and the pursuit of technology are capable of leading mankind into evil; but both can prompt great good.

I should have known better. Pro-life arguments are now based on scientific evidence and the pro-choice arguments are not. That is a cultural, historical fact.

The recognition of the art that informs all pure science need not mean the abandonment for it of all present art, rather it will mean the completion of the transformation of art that has already begun.