Sirach 6:8-10

New Revised Standard Version Catholic Edition

⁸ For there are friends who are such when it suits them,
    but they will not stand by you in time of trouble.
⁹ And there are friends who change into enemies,
    and tell of the quarrel to your disgrace.
¹⁰ And there are friends who sit at your table,
    but they will not stand by you in time of trouble.