Quotable Mathematics

" […] learning consists not in stimulus-response connections but in the building up in the nervous system of sets which function like c...

"A mental model is a collection of 'connected' autonomous objects. Running  a mental model corresponds to modifying the paramet...

"Chemistry and physics are experimental sciences; and those who are engaged in attempting to enlarge the boundaries of science by exper...

"He [Simonides] inferred that persons desiring to train this faculty [of memory] must select places and form mental images of the thing...