Translation of the verse 27 from Surah Al-Furqan : Number of verses 77 - - page 362 - Part 19.
And (remember) the Day when the Zalim (wrong-doer, oppressor, polytheist, etc.) will bite at his hands, he will say: "Oh! Would that I had taken a path with the Messenger (Muhammad SAW).
And the Day the wrongdoer will bite on his hands [in regret] he will say, "Oh, I wish I had taken with the Messenger a way.
(25:27) The unjust man will bite at his hand and say, "Would that I had stood by the Messenger!