Mathematics is the most beautiful and most powerful creation of the human spirit.
数学是人类精神最美丽、最强大的创造。
-- Stefan Banach 斯特凡·巴纳赫
Mathematics is the most beautiful and most powerful creation of the human spirit.
数学是人类精神最美丽、最强大的创造。
-- Stefan Banach 斯特凡·巴纳赫