Before you heal the body you must first heal the mind
Metaphysics involves intuitive knowledge of unprovable starting-points concepts and truth and demonstrative knowledge of what follows from them.
Excellence is an art won by training and habituation.
What is the essence of life? To serve others and to do good.
Be a free thinker and don't accept everything you hear as truth. Be critical and evaluate what you believe in.
The Good of man is the active exercise of his soul's faculties in conformity with excellence or virtue, or if there be several human excellences or virtues, in conformity with the best and most perfect among them.