Things don't just happen in this world of arising and passing away. We don't live in some kind of crazy, accidental universe. Things happen according to certain laws, laws of nature. Laws such as the law of karma, which teaches us that as a certain seed gets planted, so will that fruit be.
Sharon Salzberg (1952 CE-), Sharon Salzberg is a New York Times bestselling author and teacher of Buddhist meditation practices in the West. She co-founded the Insight Meditation Society at Barre, Massachusetts. Her emphasis is on vipassanā (insight) and mettā (loving-kindness) methods.