If I told you earthly things and you don't believe, how will you believe if I tell you heavenly things?

 (i) It may have been a sign of caution. Nicodemus quite frankly may not have wished to commit himself by coming to Jesus by day. We must not condemn him. The wonder is that with his background, he came to Jesus at all. It was infinitely better to come at night than not at all. It is a miracle of grace that Nicodemus overcame his prejudices and his upbringing and his whole view of life enough to come to Jesus. 