Most Relevant Verses
But he must ask in faith without any doubting, for the one who doubts is like the surf of the sea, driven and tossed by the wind.
The fool has said in his heart, "There is no God " They are corrupt, they have committed abominable deeds; There is no one who does good.
The fool has said in his heart, "There is no God," They are corrupt, and have committed abominable injustice; There is no one who does good.
Now the serpent was more crafty than any beast of the field which the LORD God had made. And he said to the woman, "Indeed, has God said, 'You shall not eat from any tree of the garden'?"
Elijah came near to all the people and said, "How long will you hesitate between two opinions? If the LORD is God, follow Him; but if Baal, follow him." But the people did not answer him a word.
Then Abraham fell on his face and laughed, and said in his heart, "Will a child be born to a man one hundred years old? And will Sarah, who is ninety years old, bear a child?"
But the LORD said to Moses and Aaron, "Because you have not believed Me, to treat Me as holy in the sight of the sons of Israel, therefore you shall not bring this assembly into the land which I have given them."
And He said to them, "Because of the littleness of your faith; for truly I say to you, if you have faith the size of a mustard seed, you will say to this mountain, 'Move from here to there,' and it will move; and nothing will be impossible to you.
"And behold, you shall be silent and unable to speak until the day when these things take place, because you did not believe my words, which will be fulfilled in their proper time."
The royal officer on whose hand the king was leaning answered the man of God and said, "Behold, if the LORD should make windows in heaven, could this thing be?" Then he said, "Behold, you will see it with your own eyes, but you will not eat of it."
Who has believed our message? And to whom has the arm of the LORD been revealed?
"For John came to you in the way of righteousness and you did not believe him; but the tax collectors and prostitutes did believe him; and you, seeing this, did not even feel remorse afterward so as to believe him.
"Truly, truly, I say to you, we speak of what we know and testify of what we have seen, and you do not accept our testimony.
"But there are some of you who do not believe " For Jesus knew from the beginning who they were who did not believe, and who it was that would betray Him.
But though He had performed so many signs before them, yet they were not believing in Him.
From Thematic Bible
Skepticism » Of thomas
So the other disciples were saying to him, "We have seen the Lord!" But he said to them, "Unless I see in His hands the imprint of the nails, and put my finger into the place of the nails, and put my hand into His side, I will not believe." After eight days His disciples were again inside, and Thomas with them. Jesus came, the doors having been shut, and stood in their midst and said, "Peace be with you." Then He said to Thomas, "Reach here with your finger, and see My hands; and reach here your hand and put it into My side; and do not be unbelieving, but believing." read more.
Thomas answered and said to Him, "My Lord and my God!"
Skepticism » Of pharaoh
But Pharaoh said, "Who is the LORD that I should obey His voice to let Israel go? I do not know the LORD, and besides, I will not let Israel go."