In mathematics, the simplest questions often lead to the deepest insights.
And what I noted, since the really big ideas carry 95 percent of the freight, it wasn’t at all that hard for me to pick up all the big ideas and all the big disciplines and make them a standard part of my mental routines. Once you have the ideas, of course, they are no good if you don’t practice. You don’t practice, you lose it.
事前考虑清楚,可是一旦到了该行动的时候,就要毫不犹豫,放手一搏。