You don't have to be a genius to recognize one. If you did, Einstein would never have gotten invited to the White House.

It's good to bear in mind that like it or not, enlightenment has always been, even in a golden age, pretty much limited to an elite.

Throughout most of our history, nothing - not flood, famine, plague, or new weapons - has endangered humanity one-tenth as much as the narcissistic ego, with its self-aggrandizing presumptions and its hell-hound spawn of fear and greed.

If you're honest, you sooner or later have to confront your values. Then you're forced to separate what is right from what is merely legal. This puts you metaphysically on the run. America is full of metaphysical outlaws.

Eighty percent of love is smell.

Love easily confuses us because it is always in flux between illusion and substance, between memory and wish, between contentment and need.

I'll follow him to the ends of the earth,' she sobbed. Yes, darling. But the earth doesn't have any ends. Columbus fixed that.