"Mathematics is the king of science" comes from Gauss; "Mathematics is symbols plus logic" comes from Russell; "Mathematics governs the universe" comes from Pythagoras; "Mathematics is a unique art" comes from Halmos; "Mathematics is the highest achievement of human thinking" from Misra; "Mathematics is the key to the door of science" from Bacon; "What pleases me most in mathematics are those things that can be proven "From Russell; "A mathematician is essentially obsessed, and there would be no mathematics without obsession" from Novales; "The main goal of mathematics is the public interest and the explanation of natural phenomena" from Fourier; "Whenever I When my mind has no problem to think about, I like to re-verify the theorems I already know. There is no purpose in doing so, just to give myself a chance to fully enjoy the pleasure of concentrating on thinking. "From Einstein.