Lawyers go astray. Fresh rookies, seasoned veterans—none are immune. At times, we know better, yet we press onward. But often, our failings resemble more of a Shakespearean tragedy—driven by human nature—than by willful, consciously performed misdeeds. Understanding human nature empowers us, enabling the exercise of our free will to trump our default settings. Here, then, are five aspects of human nature to know and to apply towards a more ethical practice.