Avoid arguments, but whenever a negative attitude is expressed, counter with a positive and optimistic opinion.
Norman Vincent PealeThe greatest measure of a human being isn't how he handles himself when things are going well, but how he handles himself when things are going badly, when defeat comes.
Norman Vincent PealeUnderstanding can overcome any situation, however mysterious or insurmountable it may appear to be.
Norman Vincent PealeIf you have zest and enthusiasm you attract zest and enthusiasm. Life does give back in kind.
Norman Vincent Peale