Complex sentence: He "speaks for the trees, for the trees have no tongues" and warned the Once-ler of the consequences of cutting down the truffula trees, but the Once-ler ignored him, instead calling his relatives to come and work in his factory.
Split into simpler sentences: He "speaks for the trees, for the trees have no tongues" and warned the Once-ler of the consequences of cutting down the Truffula trees. But the Once-ler ignored him, instead calling his relatives to come and work in his factory.