> what he liked best about Differential Equations is that you don't have to say how you found the answer. You just state the answer and verify it satisfies the

> what he liked best about Differential Equations is that you don't have to say how you found the answer. You just state the answer and verify it satisfies the equation. Man, that is kind of magical from a productivity prospective.* The vast majority of my time is spent explaining why the answer I give is sensible and reasonable. *The small cost of this approach is that all insight that led to him finding the solution will die with him.