Tolerance is not learnt by sitting in silence in a cave. One can centre themselves by withdrawing; that is okay - But true tolerance comes from being peace amongst that which is contrastable to our own beliefs, ideas, thoughts and behaviour.
Through love, tribes have been intermixing colors to reveal a new rainbow world. And as more time passes, this racial and cultural blending will make it harder for humans to side with one race, nation or religion over another.