The only way to learn mathematics is to do mathematics.
The distinction between mind and matter applies only to logical constructions out of sense-contents.
心與物的區(qū)分僅適用于由感覺內容構成的邏輯構造。
出自《論語·先進篇第十一》。子路問孔子說：“我大膽的請教您，死是怎么回事呢？”孔子回答說：“還不知道生是怎么一回事，怎么能夠知道死亡呢？”
The music is my soul on display.