數(shù)學(xué)中最重要的是理解概念，而不僅僅是記憶公式。
We are punished by our sins not for them.
The customer is always right, we must listen to their voices.
生活是一個迷宮，有時我們會迷失，但總能找到回來的路。
我不讓恐懼控制我，我讓它挑戰(zhàn)我。