Love without conversation is impossible.

All genuine learning is active, not passive.

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

First, an angel is spiritually present at whatever place in physical space happens to be occupied by the body on which it acts. It can be present at that place without leaving Heaven which is its spiritual residence.

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

The ultimate end of education is happiness or a good human life, a life enriched by the possession of every kind of good, by the enjoyment of every type of satisfaction.

The philosopher ought never to try to avoid the duty of making up his mind.