Mark 5:33

5:33 Then the woman, with fear and trembling, knowing what had happened to her, came and fell down before him and told him the whole truth.

Mark 8:12

8:12 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.”

Mark 9:41

9:41 For I tell you the truth, whoever gives you a cup of water because you bear Christ’s name will never lose his reward.

Mark 12:43

12:43 He called his disciples and said to them, “I tell you the truth, this poor widow has put more into the offering box than all the others.

Mark 14:9

14:9 I tell you the truth, wherever the gospel is proclaimed in the whole world, what she has done will also be told in memory of her.”

Mark 14:18

14:18 While they were at the table eating, Jesus said, “I tell you the truth, one of you eating with me will betray me.”

Mark 14:30

14:30 Jesus said to him, “I tell you the truth, today – this very night – before a rooster crows twice, you will deny me three times.”