問題的數(shù)學(xué)表述通常比其解決方案更重要，后者可能僅僅是數(shù)學(xué)或?qū)嶒?yàn)技巧的問題。
To live is the rarest thing in the world. Most people exist, that is all.
Music makes one feel so romantic—at least it always gets on one’s nerves, which is the same thing nowadays.
"Cada libro es un acto de fe en el poder transformador de las palabras."