And so, Reader, (for it is time to have done with guessing) would I bid you conquer in your warfare against your four great enemies, the world, the devil, the flesh, and above all, that obstinate and perverse self-will, unaided by which the other three would be comparatively powerless. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers

There is no allurement or enticement, actual or imaginary, which a well-disciplined mind may not surmount. The wish to resist more than half accomplishes the object. – Charlotte Dacre, The Passions, 1811

Opportunity may knock only once, but temptation leans on the doorbell. – Author Unknown

The cyclone derives its powers from a calm center. So does a person. – Norman Vincent Peale