1、This knowledge of connections has a universal validity because of the uniformity of nature.
3、耗時於閲讀,你將因別人*苦得來的體驗,輕易吸收並改善自己。
2、Greek philosopher and mathematician who founded in southern Italy a school that emphasized the study of musical harmony and proved the universal validity of the Pythagorean theorem and is considered the first true mathematician.