Bible Verses about “signs”

“God said, "Let there be lights in the expanse of sky to divide the day from the night; and let them be for signs, and for seasons, and for days and years;”

“An evil and adulterous generation seeks after a sign, and there will be no sign given to it, except the sign of the prophet Jonah." He left them, and departed.”

“Jesus therefore said to him, "Unless you see signs and wonders, you will in no way believe."”