If a householder moulds himself according to the circumstances - just like nature moulds itself according to seasons - and performs his karma, then only shall he acquire happiness. One who does this successfully gains in all walks of life.
As long as you have attachment to the body and attachment to objects, fear and suffering will be with you. Therefore Krishna told Arjuna to develop his discrimination and rid himself of body consciousness. Only then he would be able to develop integral vision.
I am a human and I will only live a life which does credit to humans. I have been blessed with beautiful human form, a sharp intellect and a sensitive heart. How do I activate these gifts? Blessed with a priceless life, why should I not fit it with compassion for all beings?

