Your writing says that
Einstein, Albert (1879-1955)
Do not worry about your difficulties in mathematics, I assure you that mine are greater.
Dirac, Paul Adrien Maurice (1902-1984)
Mathematics is the tool specially suited for dealing with abstract concepts of any kind and there is no limit to its power in this field.
Egrafov, M.
If you ask mathematicians what they do, you always get the same answer. They think. They think about difficult and unusual problems. They do not think about ordinary problems: they just write down the answers.
Those are all of the math people that said famous quotes.
Have a great day!