Committing yourself to some kind of job that isn't committed to God is going to bring so much trouble into your life. It's not good and not something I would suggest that someone seek.
Of what does politics consist except the making of imperfect decisions, many of them unjust and quite a few of them deadly?
It is very important to generate a good attitude, a good heart, as much as possible. From this, happiness in both the short term and the long term for both yourself and others will come.

