what does he feel this discovery will mean for his civilization?

"He blows out the candle and can see his fingers against the wire's red light, and he becomes unaware of anything except for his hands above the light. He realizes that he can now light his tunnel as well the Cities and thus give everyone a new, cleaner, and brighter light. Man can harness the power to his will, and he knows that he must not keep his secret to himself and continue working only at night. He wants to join the other Scholars in finding new aspects of his discovery."