> start over each day This reminds me of "spaced repetition" in learning theory. Drilling the same problem from scratch is a great way to get better at iteratin

> start over each day This reminds me of "spaced repetition" in learning theory. Drilling the same problem from scratch is a great way to get better at iterating through your rolodex of mental models, but so many people prioritize breadth because they think it is the only way to generalize to new problems.