Every morning when I wake up, I dedicate myself to helping others to find peace of mind. Then, when I meet people, I think of them as long term friends; I don't regard others as strangers.
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.