Badi-Ul-Zaman Saeed Al-Nursi (1294 AH / 1877 AD - 1379 AH / 1960 AD) was the most prominent scholar of religious and social reforms of that era. He was born in the village of Nauras in the country of the Kurds in the period of the "Ottoman Caliphate" in a Turkish family, and he was a great mujahid, writer and preacher.
Badi Al-Zaman Al-Nursi was a brilliant writer with a distinguished style, and he had a collection of letters in the Turkish language, named Rasaili-ul-Noor translated into Arabic by Ihsan Qasim Al-Salihi.
Ethics in Islam, which is “a set of principles and rules regulating human behavior, which is determined by Divine revelation to organize human life, and defines its relationship with
others in a way that achieves the purpose of his existence in this world to the fullest.”
Manners are linked to morals, as the primary function of manners is to educate and refine souls, because without it, manners are of no value and importance.
Most of the ethics are taken by Sheikh Nursi separately, and some of them were mentioned, because compiling all of them requires a large book.