数学的统一性不是强加的，而是被发现的。
The unity of mathematics is not imposed but discovered.
When you meet with opposition, even if it should be from your husband or your children, endeavor to overcome it by argument and not by authority, for a victory dependent upon authority is unreal and illusory.
The question I ask myself like almost every day is, 'Am I doing the most important thing I could be doing?'
过去从未消逝，它甚至还未过去。
最初导致怀疑的相同原则，在一定程度上追求则会导向宗教。