English "essayist, novelist, journalist, poet".
He is noted for the detective series with sleuth Father Brown.
The chief object of education is not to learn things but to unlearn things.
The artistic temperament is a disease that afflicts amateurs. It is a disease which arises from men no having sufficient power of expression to utter and get rid of the element of art in their being.
"Art, like morality, consists in drawing the line somewhere."
One sees great things from the valley; only small things from the peak.
The way to love anything is to realize that it might be lost.