The Clan of the Cave Bear (Earth's Children, #1)

by Jean M. Auel

They could not stop change, and resistance to it was self-defeating,

You must learn to understand with your heart and mind, not your eyes and ears,

it gave the magician cause to wonder about the power of love having more force than the power of fear,

Girls, as well as boys, did not become adults until they had faced and overcome fear.