1 Peter 2:8

8andκαὶA stoneλίθοςof stumblingπροσκόμματοςandκαὶa rockπέτραof offenseσκανδάλου·[They]οἳstumble atπροσκόπτουσινto theτῷwordλόγῳbeing disobedientἀπειθοῦντες·toεἰςwhichὃalsoκαὶthey were appointedἐτέθησαν.

and, “A stone of stumbling and a rock of offense.” [They] stumble at the word, being disobedient, to which also they were appointed.