"The greatest journeys are those that take us inward, to the depths of our own souls."
The beauty of mathematics lies not only in its abstract elegance but also in its profound ability to model and solve real-world problems.
發(fā)憤研究學(xué)問(wèn)，常常忘記吃飯，一旦有所收獲便又高興地忘記了憂愁，連自己的漸趨衰老也沒(méi)有感覺(jué)到。