A new way of thinking has become the necessary condition for responsible living and acting. If we maintain obsolete values and beliefs, a fragmented consciousness and self-centered spirit, we will continue to hold onto outdated goals and behaviors.
Material objects give rise to physical happiness, while spiritual development gives rise to mental happiness. Since we experience both physical and mental happiness, we need both material and spiritual development. This is why, for our own good and that of society we need to balance material progress with inner development.