Conditions for learning are optimized when learners have ambitious yet achievable target and strong motivations. The desire of learning can reverse unfavorable circumstances and take full advantage of favorable ones. Take myself for example, I wasted my time on everything but learning as an undergraduate student and felt rather empty when graduated. After struggling in work for years, I went back to school for further education. Although I was short of funds, doing part-time jobs and alone in a foreign country, my determination helped me get through all difficulties. Maybe this is why many adults can learn quicker than teenagers.