Edison Marshall,
The Sky Line of Spruce
“ Never to shudder with horror when the darkness fell in silence and mystery; never to have the heart freeze with terror when the thunder roared in the sky and the wind raged in the trees. The cave dwellers began to come into their own. Sheltered behind stone walls they could defy the elements that had enslaved them so long. This freedom gained they learned to strike the fire; they took one woman to keep the cave, instead of mating indiscriminately in the forest, thus marking the beginning of family life. ”
