[infinite_spin]

Grading is to provide your students with a goal, one that isn't so high-minded as "the goal is education". The human mind uses a "reward system", within a feedback cycle. If you want to do away with that, just because it's what you prefer, then you're ignoring the reality of being human.

[analog31]

Indeed, and it also gives students a way to budget their time between the demands of multiple classes. I studied enough for each course to put me in good enough stead for the exams, then moved on to the next course. I got it right most of the time.