Yesterday I was clever that is why I wanted to change the world. Today I am wise that is why I am changing myself.
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.
Desireless, serene, immortal, self-existent, contented with the essence, lacking nothing, is He. One has no fear of death who has known Him, the Atman - serene, ageless, youthful.
Don’t be proud if you gain, Nor be sorry if you lose.