By this method thousands of humans have been brought to think that humility means pretty women trying to believe they are ugly and clever men trying to believe they are fools.

To anticipate the enemy's strategy, we must consider His aims. The enemy wants to bring the man to a state of mind in which he could design the best cathedral in the world, and know it to be the best, and rejoice in the fact, without being any more (or less) or otherwise glad at having done it than he would be if it had been done by another. The enemy wants him, in the end, to be so free from any bias in his own favour that he can rejoice in his own talents as frankly and gratefully as in his neighbour's talents.

Screwtape Letters - Chapter 14