NET
12 Sighing deeply in his spirit he said, “Why does this generation look for a sign? I tell you the truth, no sign will be given to this generation.”
Darby
12 And groaning in his spirit, he says, Why does this generation seek a sign? Verily I say unto you, A sign shall in no wise be given to this generation.
KJV
12 And he sighed deeply in his spirit, and saith, “Why doth this generation seek after a sign? verily I say unto you, There shall no sign be given unto this generation.”