Ibn Miskawayh in his book Taharat al-A'raq writes...
Ibn Miskawayh in his book Taharat al-A'raq writes," Khulq is one of the traits of human self which entices man to carry out his daily affairs without thinking. It is of two types: Some part of it is natural and rests on the human nature. An example is when a man becomes furious over minor things or fears insignificant events or becomes happy or depressed. The other part of it relies on our customs and practices.
This part at first rested, no doubt, on thought but later, due to practice and repetition takes on a habitual status; then it works with no thought at all."[^5] Thus, our physical traits are not considered as our ethical traits unless they have become constant. For instance, a person does not acquire the trait of generosity by random acts of generosity; neither is he termed brave by just randomly engaging in brave actions.
Thus traits take on the status of khulq only when they manifest themselves as constant, occurring without thought or consideration.[^6] But this does not contradict the optional nature of these traits since man is capable of either carrying them out or avoiding them as a whole,[^7] although it is hard to stop doing habitual things.[^8] Furthermore, as it is proven elsewhere, since from the beginning he could either form habits or abandon them, thus he has been free from the beginning to make the choices he likes.[^9] The Need For Ethics In Life In order for a man to enjoy all his instincts and wishes to a logical degree, to live at peace with others and to attain prosperity both here and in the hereafter, he has to observe ethical standards.
The advancements and degenerations of human societies do not depend solely on sciences and material progress. Rather, it is the observation of these ethical standards which bring about either prosperity or fall of such societies. The poet says: Ethics keeps the human race alive; a tribe of humanity which lacks ethics is doomed to die.
At times, the lack of observation of one of the ethical standards might create a human disaster such as the world wars[^10] or affect the good desires of a good-doer. On the contrary, observing such standards saves a man who is going to fall, or covers his faults. Thus, ethics is a requirement for both statesmen and the Messengers of Allah.