Heaven and Earth give themselves. Air, water, plants, animals, and humans give themselves to each other. It is in this giving-themselves-to-each-other that we actually live. Whether you appreciate it or not, it is true.
99.99 per cent of our necessities come as a gift from heaven and earth, from the ten thousand things, from the universe; but 0.01 percent of the things we need can become objects of greed. Air, light, temperature, water, etc., all these things which we have received since our birth are not only indespensable to human life, they are blessings. Only when we see that even though we have never rendered any service to the universe but have nevertheless received immeasurable blessings without which we could not survive, only when we diminish our greed toward that 0.01 percent of our necessities and live our lives with the sincere intention to do whatever we can for everything and everybody, only then shall we find the vast, calm way in front of us.