Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
艺术是沉思。它是心灵的愉悦,心灵在自然中探寻,并在那里预见到自然本身所激发的精神。
The more you speak, the more likely you are to say something foolish.
优质的原料是出色烘焙的基础,永远不要在这方面妥协。