There is no great harm in the theorist who makes up a new theory to fit a new event. But the theorist who starts with a false theory and then sees everything as making it come true is the most dangerous enemy of human reason.
Interpretation
The quote warns against dogmatic thinking and emphasizes the danger of using flawed theories to interpret reality.
Gilbert K. Chesterton highlights the distinction between constructive theorizing and the peril of rigidly adhering to a false theory. The first group may generate new ideas when faced with new events, which can be beneficial, while the latter group distorts reality to fit their preconceived notions, ultimately undermining rational thought and understanding. This serves as a caution against the dangers of biased interpretations that ignore evidence and reason.
In practice
In a discussion about scientific breakthroughs, one might invoke this quote to emphasize the importance of developing theories that are adaptable and based on evidence.
Tradition does not mean a dead town; it does not mean that the living are dead but that the dead are alive. It means that it still matters what Penn did two hundred years ago or what Franklin did a hundred years ago; I never could feel in New York that it mattered what anybody did an hour ago.
I owe my success to having listened respectfully to the very best advice, and then going away and doing the exact opposite.
The good Bishop of Assisi expressed a sort of horror at the hard life which the Little Brothers lived at the Portiuncula, without comforts, without possessions, eating anything they could get and sleeping anyhow on the ground. St. Francis answered him with that curious and almost stunning shrewdness which the unworldly can sometimes wield like a club of stone. He said, 'If we had any possessions, we should need weapons and laws to defend them.
The ordinary scientific man is strictly a sentimentalist. He is a sentimentalist in this essential sense, that he is soaked and swept away by mere associations.
I suppose every one must have reflected how primeval and how poetical are the things that one carries in one's pocket; the pocket-knife, for instance, the type of all human tools, the infant of the sword. Once I planned to write a book of poems entirely about things in my pockets. But I found it would be too long; and the age of the great epics is past.
Madness does not come by breaking out, but by giving in; by settling down in some dirty, little, self-repeating circle of ideas; by being tamed.
In the depths of every heart there is a tomb and a dungeon, though the lights, the music, and the revelry above may cause us to forget their existence.
We want the spirit of America to be efficient; we want American character to be efficient; we want American character to display itself in what I may, perhaps, be allowed to call spiritual efficiency - clear disinterested thinking and fearless action
Let sanguine healthy-mindedness do its best with its strange power of living in the moment and ignoring and forgetting, still the evil background is really there to be thought of, and the skull will grin in at the banquet.
To talk of immaterial existences is to talk of nothings. To say that the human soul, angels, god, are immaterial, is to say they are nothings, or that there is no god, no angels, no soul. I cannot reason otherwise: but I believe I am supported in my creed of materialism by Locke, Tracy, and Stewart. At what age of the Christian church this heresy of immaterialism, this masked atheism, crept in, I do not know. But heresy it certainly is.
Man is an imperceptible atom always trying to become one with God.
Let go the past, let go the future, and let go the present (front, back, middle). Crossing to the farther shore of existence, with mind released everywhere, do not further undergo birth and decay.
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