Mark 8:12; Mark 8:38; Mark 9:19; Mark 13:30

Mark 8:12

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.

Mark 8:38

38 Whosoever therefore shall be ashamed of me and of my words in this adulterous and sinful generation; of him also shall the Son of man be ashamed, when he cometh in the glory of his Father with the holy angels.

Mark 9:19

19 He answereth him, and saith,O faithless generation, how long shall I be with you? how long shall I suffer you? bring him unto me.

Mark 13:30

30 Verily I say unto you, that this generation shall not pass, till all these things be done.