The tragedy of being both rational and animal seems to consist in having to choose between duty and desire rather than in making any particular choice

More consequences for thought and action follow the affirmation or denial of God than from answering any other basic question.

The materialist assumption that spiritual substances do not exist is as much an act of faith as the religious belief in the reality of angels.

A lecture has been well described as the process whereby the notes of the teacher become the notes of the student without passing through the mind of either.

True freedom is impossible without a mind made free by discipline.

Ultimately there can be no disagreement between history, science, philosophy, and theology. Where there is disagreement, there is either ignorance or error.

I find the selectivity of erotic love - the choice of this man or this woman - much more intelligible if liking the person is the origin of sexual interest, rather than the other way.