We are used to thinking of the world in black and white terms, of things being either right or wrong, up or down, one thing or another. A good example of this would be the popular but mistaken understanding of kamma as either good or bad. The Buddha by contrast, said that kamma can be good, bad or a mixture of the two (vītimissā dhamma), which of course accords much more with reality. In fact, few things are either 100% good or 100% bad. When it comes to gender we commonly assume that people are either male or female whereas the categories are not always that clear, a truth that the Buddha recognized centuries ago.