Is There a Difference Between Good and Bad?

What we think is absolutely good at a certain time in limited understanding of our existence will later become very bad. When there was slave trade, people who are involved in it thought it the best idea that they ever had. Entire societies were involved in this because at that time, they thought it's a good idea. This is inclusiveness. If you're inclusive like this, the chances of your doing something terribly wrong against life itself, thinking its good, will be owell. Unless you are so criminal in your head that you intentionally do negative things to life. That's a different matter that needs to be dealt with differently. But most human beings does terrible things thinking they are doing