It is narrated from Hazrat Anas (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) was not one who abused, cursed, or spoke indecently. Even at the time of reprimand, he would only say: "What is wrong with him, may his forehead be dusted."
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 12274
Hadith Gradingحکم دارالسلام:إسناده صحيح ، خ : 6031