"The same way a compact disk isn't responsible for what's recorded on it, that's how we are. You're about as free to act as a programmed computer. You're about as one-of-a-kind as a dollar bill."

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Though determinants and matrices received a great deal of attention in the nineteenth century and thousands of papers were written on these subjects, they do not constitute great innovations in mathematics.... Neither determinants nor matrices have influenced deeply the course of mathematics despite their utility as compact expressions and despite the suggestiveness of matrices as concrete groups for the discernment of general theorems of group theory.

— Morris Kline