1. Self-improvement is important because it allows us to see the world objectively and respond appropriately, without being influenced by our subjective tendencies. This enables us to help others to the maximum extent, similar to how we must first put on our own oxygen mask before helping others on an airplane. 2. Ancient seers searched for the root causes of all phenomena in the universe. Through dedicated study and experiments, some realized a state of unity with the omnipresent, omniscient and omnipotent phenomenon that is the root cause of everything. Different traditions refer to this as God, nothingness, or the great cause, to explain why everything works according to its will.