A man may quarrel with himself alone; that is, by controverting his better instincts and knowledge when brought face to face with temptation.

Difficulties are meant to rouse, not discourage. The human spirit is to grow strong by conflict.

Did any man at his death ever regret his conflicts with himself, his victories over appetite, his scorn of impure pleasure, or his sufferings for righteousness' sake?

Mistakes and errors are the discipline through which we advance.

No punishment is so terrible as prosperous guilt.

Every mind was made for growth, for knowledge, and its nature is sinned against when it is doomed to ignorance.

Men are never very wise and select in the exercise of a new power.