Matthew 6:32; Matthew 12:39; Matthew 16:4

Matthew 6:32

32 "For the Gentiles eagerly seek all these things; for your heavenly Father knows that you need all these things.

Matthew 12:39

39 But He answered and said to them, "An evil and adulterous generation craves for a sign; and yet no sign will be given to it but the sign of Jonah the prophet;

Matthew 16:4

4 "An evil and adulterous generation seeks after a sign; and a sign will not be given it, except the sign of Jonah." And He left them and went away.