Although one cannot explain and point out the truth, at the same time even a faint shadow of the truth makes it appeal to human nature. Think what effect sincerity has upon mankind. The personality of a sincere man, so to speak, emits a fragrance which one can feel, assuring you that "here is a sincere person." His reliance can give you ease. What is the explanation? It is that we have in him not the ultimate truth, but a shadow of the truth.