In geometry I find certain imperfections which I hold to be the reason why this science, apart from transition into analytics, can as yet make no advance from that state in which it came to us from Euclid. Nikolai Lobachevsky More Quotes by Nikolai Lobachevsky More Quotes From Nikolai Lobachevsky There is no branch of mathematics, however abstract, which may not some day be applied to phenomena of the real world. Nikolai Lobachevsky real math science