Anyone can do good actions. We should make sure that the flame of compassion in our hearts doesn’t go out. The words and actions that are borne out of compassion can even overcome death.
All the mahatmas have stressed on two things – Love and Faith. The rest is commentary.
The relevance of spirituality is only while living in the world. It cannot be practiced after we are dead and gone. Anything that cannot be achieved while living cannot be achieved after death.