Translation:

16. And (We also saved) Abraham: Behold he said to his people "Serve Allah and fear Him: that will be best for you if ye understand!

Notes (Tafseer)

3438. The story of Abraham has been told in various phases in different passages. The ones most germane to the present passage are: xxi. 51-72 (his being cast into the fire and being saved from it); and xix. 41-49 (his voluntary exile from the home of his fathers). Here the story is not told but is referred to in order to stress the following points; (1) Abraham's people only responded to his preaching by threatening to burn him (xxix. 16-18, 24); (2) evil consorts with evil but will have a rude awakening (xxix. 25); (3) the good adhere to the good, and are blessed (xxix. 26-27). Note that the passage xxix. 19-23 is a parenthetical comment, though some Commentators treat a portion of it as part of Abraham's speech.