The most profound ideas in mathematics often arise from the simplest observations.
Change your focus, change your life.
The only thing you have to fear is fear itself.
每个角色都是一次新的旅程，一次对人性的新探索。
A little more persistence, a little more effort, and what seemed hopeless failure may turn to glorious success.
El tiempo no pasa, somos nosotros quienes pasamos a través de él.