4 Bible Verses about Why Do People Not Do This?

(Now John's disciples and those of the Pharisees were keeping a fast.)

Then the disciples came to Jesus privately and asked Him, "Why could not we expel the demon?"

After the return of Jesus to the house His disciples asked Him privately, "How is it that we could not expel the spirit?"

John's Baptism, whence was it? --had it a heavenly or a human origin?" So they debated the matter among themselves. "If we say 'a heavenly origin,'" they argued, "he will say, 'Why then did you not believe him?'