Material things are not to be despised-without them there can be no manifestation in the material world.
One has to do sadhana for the total manifestation of the Divine in oneself.
All existence is a manifestation of God.
If it be true that spirit is involved in Matter and apparent Nature is secret God, then the manifestation in the divine in himself and the realization of God within and without are the highest and most legitimate aim possible to man on earth.