4 Bible Verses about Why Do People Not Do This?

Now the disciples of John and the Pharisees were keeping a fast, and people came to ask him, "How is it that the disciples of John and the Pharisees are fasting, but your disciples are not?"

Thereupon Jesus' disciples came to him and asked him privately, "Why were we not able to cast it out?"

When Jesus had gone into the house, his disciples asked him in private, "Why could not we cast it out?"

John's baptism, whence was it, from heaven or from man?" So they began debating about it among themselves.