Complex sentence: In order to do so, the reality principle does not ignore the id, but strives instead to satisfy its desires in balanced and socially appropriate ways, through awareness of and adjustment to environmental demands.
Split into simpler sentences: In order to do so, the reality principle does not ignore the id, but strives to find balance in satisfying its desires. The reality principle achieves this balance in realistic and socially appropriate ways through awareness of and adjustment to environmental demands.