Given that modern work schedules demand the most and the most of the best of our time and our lives, our best chance of happiness is in choosing the occupation that satisfies all our wants from life. This occupation is called your vocation – your calling in life. And your vocation in life can only be known by knowing your self. So this paper presents the method for developing self knowledge, which combines our most powerful method of discovery – the art method, and our most powerful method of explanation – the scientific method. With a fully explored, scientific self knowledge you can identify your vocation, And with it : Ambition, Certain Direction running to Destiny, Motivation running into Passion, Excellence, Money, Achievement, Power, Identity, Meaning And Happiness.