数学家最好的作品是艺术，一种高度完美的艺术，像想象的最秘密的梦想一样大胆，清晰而透明。
The mathematician's best work is art, a high perfect art, as daring as the most secret dreams of imagination, clear and limpid.
思想的清晰性是通往哲学真理的第一步。