Jude 1:3 (New International Version)
The sin and doom of Godless men
3Dear
friends, although I was very eager to write to you about the salvation
we share, I felt I had to write and urge you to contend for the faith
that was once for all entrusted to the saints.
From BibleGateway.com:
http://www.biblegateway.com/passage/?search=jude 3&version=NIV