hey saw as the basic principles of the physical cosmos in formulating their teachings on how life should be lived. In modern times, they would correspond to those who base their philosophies on principles drawn from the physical sciences, such as evolutionary biology or quantum physics. Although the cosmologists of India in the Buddhaâs time differed on first principles, they tended to be more unanimous in using their first principles—whatever they were—to argue for hedonism as the best approach to life. 2. On the meaning of "everything" (or "all"—sabba) here, see SN 35:23. For more on this topic, see The Mind Like Fire Unbound, Chapter 1. See also: MN 1; SN 12:15; SN 35:82 - --> - - - -