The following quote is from Marie Curie, a Polish and naturalized-French physicist who conducted pioneering research on radio activity. She was the first woman to win a Nobel Prize, and the first person and only woman to win twice. She was also the only person to win a Nobel Prize in two different sciences; physics and chemistry.
"Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something and that this thing must be attained."
When you 're faced with obstacles, keep the faith that you can get through them and keep working through them because your best life is on the other side of the obstacles you overcome.