1 Timothy 1:19

having faith and a good conscience, which some having rejected, concerning the faith have suffered shipwreck,

Surrounding context

1:18 This charge I commit to you, son Timothy, according to the prophecies previously made concerning you, that by them you may wage the good warfare,

1:19 having faith and a good conscience, which some having rejected, concerning the faith have suffered shipwreck,

1:20 of whom are Hymenaeus and Alexander, whom I delivered to Satan that they may learn not to blaspheme.

Translation and sources