What theme is best revealed by this conflict?

sadness can destroy people.
one must mourn before moving on.
many lives are lost too soon in battle.
people are haunted by lost souls.

0) "you're not here to read books, you're here to learn! " the childwrangler's voice screeched as we kept our picks moving rhythmically against the school walls. we had all heard about a time, back in the dark ages, when children read books at school. they say school was even a building above ground. but that was obviously dangerous. how could society thrive if the children sat around reading all day? when would they have time to learn about veins of coal, support structures, processing fuel, and all that stuff? school was important. which two central ideas in this story are most closely related?