Time goes by

As I was in class last month, I tried my best to stay awake and make the most of it. Nevertheless, sometimes giving your best isn't enough. Doesn't it ever cross your mind?? That you made it through at least one class with a more-than-fair final grade and you look back and say: "Man, how did I manage to even pass that last test? I know nothing on the subject!"
Well, I just finished my SAP training and this is exactly how I feel...