The trouble is, the same thing that enabled us to survive evolution is also going to kill us, because in the final analysis, if survival is the primary motivation of every human being, then we will finally be in a situation where might will make right and only one person will survive.

Toward the end of his life, [Arnold] Toynby said the Christianity he saw developing was brittle, imperialistic and incapable of reforming itself.

There never was a time when we were created perfect and fell into sin and needed to be rescued. We are evolving people; we are not fallen people. We are not a little lower than the angels. We're a little higher than the apes. It's a very different perspective.

Some people think prayer is telling God what to do. I don't think that's the case.

The way that I see Christianity is that its role is to enhance the life of every person.

I experience God as the power of love.

If you want to be a Roman Catholic scholar and write, you've got to write in such a way that nobody understands what you're saying, and then you're thought to be profound.