1) Hazrat Abu Hurayrah (RA) narrated that the Prophet (PBUH) said: The beauty and perfection of man’s Islam is that he refrains from idle talk Hadith means: not talking nonsense and avoiding un necessary troubles is a sign of perfect faith and is the splendor of man’s Islam.
2) It is narrated on the authority of Hazrat Sahl bin Saad (RA) that the Messenger of Allah (PBUH) said: Whoever gives me the responsibility of the limbs between y jaws and my legs (that he will not misuse the tongue and the evil one) then I give him the responsibility of heaven.