"To be merely modern..."

G.K. Chesterton:

THE HIGHEST use of the great masters of literature is not literary; it is apart from their superb style and even from their emotional inspiration. The first use of good literature is that it prevents a man from being merely modern. To be merely modern is to condemn oneself to an ultimate narrowness; just as to spend one's last earthly money on the newest hat is to condemn oneself to the old-fashioned. The road of the ancient centuries is strewn with dead moderns. Literature, classic and enduring literature, does its best work in reminding us perpetually of the whole round of truth and balancing other and older ideas against the ideas to which we might for a moment be prone. ....

From time to time in human history, but especially in restless epochs like our own, a certain class of things appears. In the old world they were called heresies. In the modern world they are called fads. Sometimes they are for a time useful; sometimes they are wholly mischievous. But they always consist of undue concentration upon some one truth or half-truth. .... The heretic (who is also the fanatic) is not a man who loves truth too much; no man can love truth too much. The heretic is a man who loves his truth more than truth itself. He prefers the half-truth that he has found to the whole truth which humanity has found. ....

G.K. Chesterton: On Reading