Man is a working being (Homo Faber), if man doesn't commit himself to any firm of work, he feels lots of emptiness and unsatisfaction. Guided by a particular ethical system with it's standard of thought leadership, man assumes transparency and accountability. Integrity becomes another virtue, together with humility and patience. More virtues includes, wisdom, courage, moderation or temperance and justice. A man who's guided by there virtues, leads an excellent life giving the best of themselves to build a sustainable, amazingly awesome and wonderful world for all.