Travel, of course, narrows the mind.

Contrary to what might be expected, I look back on experiences that at the time seemed especially desolating and painful with particular satisfaction. Indeed, I can say with complete truthfulness that everything I have learned in my seventy-five years in this world, everything that has truly enhanced and enlightened my existence, has been through affliction and not through happiness, whether pursued or attained

The essential feature, and necessity of life is to know reality, which means knowing God.

The three most disastrous inventions of our time have been the birth control pill, the camera and nuclear weaponry. The first offers sex in terms of sterility, the second reality in terms of fantasy, and the third security in terms of destruction.

One of the many pleasures of old age is giving things up.

I think that in free societies, and we're constantly talking about living in free societies, aren't we, in contradiction with unhappy people who live in non-free societies, that the benefit, the dividend of living in a free society is that you say what you think.

Posterity will surely be amazed, and I hope vastly amused, that such slipshod and unconvincing theorizing should have so easily captivated twentieth-century minds and been so widely and recklessly applied.