The text mentions 'Kamya' and 'Nishkam' approaches to studying spiritual texts. Can you explain the difference and state which one is considered superior?

The source material from Chapter 0 distinguishes between two motivations for engaging with spiritual texts like Guru biographies. The 'Kamya' approach is undertaken with a specific desire, such as seeking worldly prosperity or the removal of worries, distress, and diseases. In contrast, the 'Nishkam' approach is selfless, pursued for the ultimate goal of liberation from the world and freedom from the cycle of birth and death. The text is unambiguous in its evaluation, explicitly stating that Nishkam Guru service, whether through writing or study, will always be considered superior.