我們不是從祖先那里繼承了地球；我們是從子孫那里借來的。
We don't inherit the earth from our ancestors; we borrow it from our children.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
數(shù)學(xué)不是關(guān)于數(shù)字、方程、計(jì)算或算法的：它是關(guān)于理解的。
The richness I achieve comes from nature, the source of my inspiration.
The best leaders are those who empower others to lead.