Kriya Yoga, the scientific technique of God-realization, will ultimately spread in all lands, and aid in harmonizing the nations through man's person… - Paramahansa Yogananda

Plain living and high thinking should be your goal. Learn to carry all the conditions of happiness within yourself by meditating and attuning your consciousness to the ever-existing, ever-conscious, ever-new Joy, which is God. Your happiness should never be subject to any outside influence. Whatever your environment is, don't allow your inner peace be touched by it.

Why be elated by material profit?” Father replied. “The one who pursues a goal of evenmindedness is neither jubilant with gain nor depressed by loss. He knows that man arrives penniless in this world, and departs without a single rupee.

"'World' is a large term, but man must enlarge his allegiance, considering himself in the light of a world citizen," I continued "A person who truly feels: 'The world is my homeland; it is my America, my India, my Philippines, my England, my Africa,' will never lack scope for a useful and happy life. His natural local pride will know limitless expansion; he will be in touch with creative universal currents." (Chapter 48 - "At Encinitas In California")