You can put this another way by saying that while in other sciences the instruments you use are things external to yourself (things like microscopes and telescopes), the instrument through which you see God is your whole self. And if a man's self is not kept clean and bright, his glimpse of God will be blurred - like the Moon seen through a dirty telescope. That is why horrible nations have horrible religions: they have been looking at God through a dirty lens.
C. S. LewisFor the past twenty years you and I have been fed all day long on good solid lies about sex
C. S. LewisThe proper aim of giving is to put the recipient in a state where he no longer needs our gift.
C. S. Lewis