Luke 1:20
And behold, you shall be dumb and not able to speak, till the day in which these things shall take place, because you did not believe my words, which shall be fulfilled in their proper time.
Luke 1:37
for nothing shall be impossible with God.
Luke 18:27
He replied: Things that are impossible with men, are possible with God.
Romans 4:20-21
and he doubted not, through unbelief, with respect to the promise of God, but was strong in faith, giving glory to God,
Romans 6:19-21
I speak of what is common among men, oil account of the weakness of your flesh: for as you have presented your members as servants to uncleanness, and to lawlessness, in order to lawlessness, so now present your members as servants to righteousness, in order to holiness.