Philosophy

-noun: the rational investigation of the truths and principles of being, knowledge, or conduct; a philosophical attitude, as one of composure and calm in the presence of troubles or annoyances; love and pursuit of wisdom by intellectual means and moral self-discipline; the critical analysis of fundamental assumptions or beliefs

I am currently in the process of revising my life philosophy. I guess if you think about it, a person's philosophy is always being revised. Sometimes the process is just more apparent.