All things which can be known have number; for it is not possible that without number anything can be either conceived or known.


In: Carl B. Boyer, A History of Mathematics (p. 60), John Wiley & Sons, Inc. 1968


All things which can be known have number; for it is not possible that without number anything can be either conceived or known.

All things which can be known have number; for it is not possible that without number anything can be either conceived or known.

All things which can be known have number; for it is not possible that without number anything can be either conceived or known.

All things which can be known have number; for it is not possible that without number anything can be either conceived or known.