Clearly, then, we should count happiness as one of these activities that are choiceworthy in themselves, not as one of those choiceworthy for some other end. Happiness is the act of living a virtuous life. Only happiness we chose as an end in itself. Living a happy virtuous life takes effort . If happiness is an activity in accordance with virtue, it is reasonable to assume that it is in accordance with the highest virtue, and this will be the virtue of the best part of us.
Happiness resides in our soul .
The intellect is our most precious possession and contemplation our most highest and most continuous activity. To live a happy life we need to interact with people, but the wise man can practice contemplation on his own. Description of the requirements for a perfectly happy life, the prime requirement being activity of the intellect . That what is best and most pleasant for a given creature is that which is proper to it. Therefore for man, too, the best and the most pleasant life is the life of the intellect, since the intellect is in the fullest sense the man.