Don't put touching personal stories here, don't state your interest in excessively emotional terms, just be clear and professional. PS is who you are in terms of personality and history. Write about how your background informs why you want to pursue science. If you have those touching personal stories you want to share, this is where they go.. 2019. 1. 18. · Most students are familiar with the Statement of Purpose or the SOP with most MS applicants to American grad-schools being asked to submit their SOPs at the time of applying. A Personal Statement is usually required by the Medical, Business and Law schools of most universities. However, PhD scholars have also often been asked to submit one too. A highly organized and detail-oriented undergraduate from the University of Johannesburg seeking an entry-level position in the world of business.Business101.