We are half-hearted creatures, fooling about with drink and sex and ambition when infinite joy is offered us.
C. S. LewisTo have Faith in Christ means, of course, trying to do all that He says. There would be no sense in saying you trusted a person if you would not take his advice.
C. S. LewisThe human heart is not unchanging (nay, changes almost out of recognition in the twinkling of an eye).
C. S. Lewis