2. Half proof is equal to-Gaussian.

You can never study math too hard. -Caragiodo

Intelligence comes from diligence, and genius lies in accumulation. -Hua

5. The universe is big, the particles are tiny, the speed of rockets, the ingenuity of chemical engineering, the change of the earth, the mystery of biology, the complexity of daily life, and mathematics is everywhere. -Hua

6. What gives me the greatest happiness is not knowing knowledge, but learning constantly; Not what you already have, but what you keep getting; Not the height that has been reached, but the constant climbing. Gauss

7. I always try my best to get rid of that heavy and monotonous calculation. Napier