Yoga Psychology - It's Tapas

Every person has a right to… as an ability to improve his own, her own destiny. It is not fatalism. Rather, it is the idea that there is a reason why you behave in a particular manner or different individuals behave in different ways under identical circumstances. That's a good idea, like in yoga, it's tapas, it's really important. So tapas always involves strong will and confronting the negative tendencies and mental blocks.