“This, we trust, will explain the operation of that charm which accompanies the effectual preaching of the gospel. The love of God and the love of the world, are two affections, not merely in a state of rivalship, but in a state of enmity – and that so irreconcilable, that they cannot dwell together in the same bosom.
“We have already affirmed how impossible it were for the heart, by any innate elasticity of its own, to cast the world away from it; and thus reduce itself to a wilderness. The heart is not so constituted; and the only way to dispossess it of an old affection, is by the expulsive power of a new one.”
Thomas Chalmers, The Expulsive Power of a New Affection (PDF here)