You may not have the ability to learn the magic that I know how to teach, but the divine arts are something anyone with the proper willpower can learn in a relatively short period of time. One of the best I've had the pleasure of knowing besides myself was rather prone to skipping her lessons for weeks at a time, yet advanced quite rapidly from a beginner to an expert when practical usage of her skills became necessary.

Really, this seems humanity's greatest strength when coupled with a will not to give up.