I find it interesting that the essence of this saying can be found in so many words of wisdom from around the world. I grew up hearing "You reap that which you sow" all the time in my family. And as I grew older I started to realize just how true those words really were. You probably know someone who was always doing something thoughtful for other people. And were you surprised to hear that this person is doing "very" well? On the other hand, you probably also know someone who is a shady chararcter. You know the type who always seems to be doing the wrong thing. Were you at all surprised to hear that this person finally got what they had coming to them?
Let these words of wisdom be a source of encouragement for those who actively seek to do positive things for themselves and others; and a word of caution for those who are up to no good. Some call it karma, but I simply say "WHAT GOES AROUND, COMES AROUND".