All conservatism is based upon the idea that if you leave things alone you leave them as they are. But you do not. If you leave a thing alone you leave it to a torrent of change.
The Collected Works of G. K. Chesterton, Vol. 4: What's Wrong with the World / The Superstition of Divorce / Eugenics and Other Evils / Divorce versus Democracy / Social Reform versus Birth Control