The value given to the testimony of any feeling must depend on our whole philosophy, not our whole philosophy on a feeling.
C. S. LewisIf a man is going to write on chemistry, he learns chemistry. The same is true of Christianity.
C. S. LewisA moderately bad man knows he is not very good: a thoroughly bad man thinks he is alright. This is common sense really. You understand sleep when you are awake, not well you are sleeping.
C. S. Lewis