數(shù)學(xué)不僅僅是關(guān)于數(shù)字、方程、計(jì)算或算法：它是關(guān)于理解的。
One must be a god to be able to tell successes from failures without making a mistake.
The index fund is a most unlikely hero for the typical investor.
只有通過(guò)掌握自己，才能使自己得到解放。
自由在于勇敢。