最好的建筑是那些優(yōu)雅老去的建筑。
A minute's success pays the failure of years.
If you're not making mistakes, you're not trying hard enough.
數(shù)學(xué)不僅僅是關(guān)于數(shù)字、方程、計算或算法：它是關(guān)于理解的。