Had there been no Plato, the Christians would have had a harder time selling the idea that all God really wanted from us was fraternal love.

Philosophy makes progress not by becoming more rigorous but by becoming more imaginative.

I illustrate with a quotation from the atheist philosopher Richard Rorty, who died recently and is, I suspect, now having a lengthy conversation with his maker. Rorty argued that secular professors ought “to arrange things so that students who enter as bigoted, homophobic religious fundamentalists will leave college with views more like our own.

Open-mindedness should not be fostered because, as Scripture teaches, Truth is great and will prevail, nor because, as Milton suggests, Truth will always win in a free and open encounter. It should be fostered for its own sake.

There is nothing to be known about anything except an initially large, and forever expandable, web of relations to other things. Everything that can serve as a term of relation can be dissolved into another set of relations, and so on for ever. There are, so to speak, relations all the way down, all the way up, and all the way out in every direction: you never reach something which is not just one more nexus of relations.

Always strive to excel, but only on weekends.

A talent for speaking differently, rather than for arguing well is the chief instrument of cultural change.