Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.Albert Einstein
The ideal man bears the accidents of life with dignity and grace, making the best of circumstances.Aristotle
Suffering becomes beautiful when anyone bears great calamities with cheerfulness, not through insensibility but through greatness of mind.Aristotle
When I was young, I observed that nine out of ten things I did were failures. So I did ten times more work.Bernard Shaw