Mark 14:29-30

14:29 Peter said to him, “Even if they all fall away, I will not!” 14:30 Jesus said to him, “I tell you the truth, ¹  today – this very night – before a rooster crows twice, you will deny me three times.”

[14:30]  ¹ tn Grk “Truly (ἀμήν, amhn), I say to you.”