Markus 8:12

8:12 Sighing deeply in his spirit he said, “Why does this generation look for a sign? I tell you the truth, ¹  no sign will be given to this generation.”

Markus 8:38

8:38 For if anyone is ashamed of me and my words in this adulterous and sinful generation, the Son of Man will also be ashamed of him ²  when he comes in the glory of his Father with the holy angels.”

[8:12]  ¹ tn Grk “Truly (ἀμήν, amhn), I say to you.”

[8:38]  ² sn How one responds now to Jesus and his teaching is a reflection of how Jesus, as the Son of Man who judges, will respond then in the final judgment.