Dhamma Verses (Dhammapada, KN 2)

6: The Chapter about the Wise – 82
Who to keep company with
Ven. Channa was always abusing the Chief Disciples; when
the Buddha found out he admonished him with this verse, but
still he refused to refrain; at the Buddha’s bidding he was
isolated by the monks, and he later repented and became an
Arahat.
78. Na bhaje pāpake mitte, na bhaje purisādhame,
bhajetha mitte kalyāṇe, bhajetha purisuttame.
One should not keep company with those wicked friends,
one should not keep company with the ignoble,
you should keep company with spiritual friends,
you should keep company with those superior.