"Are you a devil?" "I am a man," answered Father Brown gravely; "and therefore have all devils in my heart."

Coincidence is a spiritual pun.

There is a road from the eye to the heart that does not go through the intellect.

This is the age in which thin and theoretic minorities can cover and conquer unconscious and untheoretic majorities.

Individually, men may present a more or less rational appearance, eating, sleeping, and scheming. But humanity a a whole is changeful, mystical, fickle, delightful. Men are men, but Man is a woman.

Passion makes every detail important.

Pride consists in a man making his personality the only test, instead of making truth the test. The sceptic feels himself too large to measure life by the largest things; and ends by measuring it by the smallest thing of all.