How did Rousseau's outlook work its way into Kant's moral philosophy? If for Rousseau, it is by following the "general will" that we can be said to be free; for Kant, it is by obeying those moral laws that we would will as universal laws. Moral laws that we would will as universal laws are given not by our individual will but by our rational will, which we have in common with all other rational beings.
You notice an ant struggling in a puddle of water. Their legs thrash as they fight to stay afloat. You could walk past, or you could take a moment to tip a leaf or a twig into the puddle, giving them a chance to climb out. The choice may feel trivial. And yet this small encounter, which resembles the 'drowning child' case from Peter Singer's essay 'Famine, Affluence, and Morality' (1972), raises big questions.
Back in 2018 I found myself in an interesting spot. I had decided to leave academia and education to pursue something new in my working life. Despite the downsides, it's easy to feel morally comfortable with being a teacher, but many other jobs can give pause. The timing and my background placed me in a near perfect position to think about how ethics factors into choosing a career. So on what criteria does one base the moral legitimacy of a job? I realized that: