In this life there is a time of work and a time of payment, this does not begin when you are an adult, on the contrary, you can certify this fact in the first stages of your life if you look back, you will remember your parents say that your job is to be obedient and study. it's not like that? And every time you brought home good results, weren't you rewarded? an outing to the park a sweet an ice cream or something you had not expected.
In short, a pleasant surprise, that was your reward. Some did not make an effort at all, did not have a commitment to their studies (or in life in general) and for this reason, many good things did not live. Because in reality they did not They deserved it, there were once two men (I knew them) working tirelessly to meet their deadlines.