Please check my writing on whether theoretical knowledge have contribution to personal success. 2 University students need to collect information on different subject matters to finish essays and reports, so they gain experience in analysing different unfamiliar matters and tackling these problems effectively. When they embark on their careers, they will show confidence in doing research when problems surface, and come up with corresponding solutions. In contrast, those people they do not go to a university may receive some practical training to deal with some general tasks, but they may be helpless in the face of unusual problems. Meanwhile, we must recognise the fact that theoretical knowledge is not the only determinant of success. Many successful people have some personality traits in common. An optimistic, diligent and sociable person is able to overcome difficulties and cooperate with others to achieve success. Another factor might be the social network, by which people can draw upon ideas of experts, investors and business managers, such as those managers who understand