The two most powerful parts of one's personal philosophy are one's view of life and one's view of oneself.
If one gets those down clearly and rightly, life will be good and full of happiness.
I base the assertion that it will lead to happiness on the reasonability that one would be open to fully engage in seeking that which works for life - for without the barriers of a negative view of life and a negative view of oneself, one's energy is fully released toward doing what works.
Read these pieces of this "chapter":
The Healthy Person's View Of Life - The psychologically healthy person is that person we would be without the faulty conditioning and untrue beliefs about life. Here is the pure view of life without the adulterations.