It's late, and you're still moving text around on tomorrow's slides. The explanation already works, but maybe one more example will make the class feel perfect. Meanwhile, another responsibility is waiting, and you're running out of evening.
The handbook warns against chasing a version of teaching that leaves no room for ordinary uncertainty. Careful preparation matters. So does knowing when the next improvement is no longer the best use of your time.
Decide what the lesson needs to accomplish
Write the learning goal and choose an explanation, a practice opportunity, and a way to check understanding. Use that structure to judge whether the preparation is ready. 'Could it be better?' has no natural stopping point.
Ask instead whether students have a workable route to the intended learning.
Leave room to respond to the actual class
A tightly polished plan can still meet an unexpected question or a misunderstanding. Treat that information as part of teaching. You may need another example, a slower explanation, or a different practice task.
A class that departs from your script isn't automatically a failed class.
Choose a limited improvement target
After teaching, identify one change that addresses a specific problem. Maybe the instructions need a clearer first step, or the discussion needs individual thinking time. Keep notes for other ideas rather than trying to implement every improvement before the next meeting.
You'll learn more about a change when you can see what prompted it and what happened afterward.
Look at the whole assignment
Preparation competes with grading, scholarship, service, and life outside work. Set a reasonable preparation boundary and review where the time goes. If the required workload remains unmanageable, ask for support or a conversation about priorities.
The answer isn't always to work faster or to care less.
Get perspective from someone you trust
Ask a colleague about a specific teaching decision. Seeing how another instructor handles a common difficulty can help you distinguish an important issue from a detail that doesn't need another hour.
Use student feedback and your observations together, while keeping isolated comments in proportion.
Give an unfinished idea somewhere to wait
Keep a short list of possible improvements separate from the lesson you're preparing. When an idea appears late in the evening, write down the problem it would address and leave it there unless it fixes something essential for the next class. That lets you preserve the idea without making every possibility an immediate obligation.
After teaching, compare the list with what actually happened. Did students need the extra example you imagined, or was a different step unclear? The class may give you a better reason to revise than another hour of anticipating every possible difficulty.
A stopping point doesn't mean ignoring required content or leaving students without necessary instructions. It means recognizing when those essentials are ready and further polishing has a smaller benefit than the other work or rest it displaces. Let your standard include both a workable lesson and enough capacity to respond when students take the discussion somewhere you hadn't predicted.
Before your next preparation session, write down what would make the lesson ready to teach. When those elements are in place, stop and leave a note for later refinement. Your students need a prepared, responsive teacher. That leaves room to be a person who is still learning the course.
Adapted from The New Faculty Handbook by Zafer Unal, pp. 48-49.
