Rearranging the letters of 'Thou shall not lie' (Be sincere) gives:
O Hell! A hot insult.
(by K. Smiles Mascarenhas using Anagram Genius) (2004) (pending approval)
Other related anagrams without their own page:
""Listen very carefully,I shall say this only once !"" -> "That silly secrecy in "Allo Allo" ...She is very funny!" (by Zoran Radisavljevic using Anagram Genius) (2002)