Bible Verses About Unbelief: Questioning the power of God

And the captain whom the king hath, by whose hand he hath been supported, answereth the man of God and saith, `Lo, Jehovah is making windows in the heavens--shall this thing be?' and he saith, `Lo, thou art seeing it with thine eyes, and thereof thou dost not eat.'

And they speak against God--they said: `Is God able to array a table in a wilderness?'

Lo, He hath smitten a rock, And waters flow, yea, streams overflow. `Also--bread is He able to give? Doth He prepare flesh for His people?'