If you ask ... the man in the street ... the human significance of mathematics, the answer of the world will be,… — Cassius Jackson Keyser Add Copy Share Image
Absolute certainty is a privilege of uneducated minds and fanatics. - It is, for scientific folk, an unattainable ideal. — Cassius Jackson Keyser Absolute certainty Copy Share Image
The pursuit of excellence is the proper vocation of man. — Cassius Jackson Keyser Career Copy Share Image
Mathematics is, in many ways, the most precious response that the human spirit has made to the call of the infinite. — Cassius Jackson Keyser Human spirit Copy Share Image
The validity of mathematical propositions is independent of the actual world-the world of existing subject-matters-is logically prior to it, and would remain… — Cassius Jackson Keyser Eternal Copy Share Image
Mathematics, even in its present and most abstract state, is not detached from life. It is just the ideal handling of the… — Cassius Jackson Keyser Abstract Copy Share Image
[The] humanization of mathematical teaching, the bringing of the matter and the spirit of mathematics to bear not merely upon certain fragmentary… — Cassius Jackson Keyser Assuming Copy Share Image
The present is no more exempt from the sneer of the future than the past has been. — Cassius Jackson Keyser Anger Copy Share Image
The next-most difficult thing in the world is to get perspective. The most difficult is to keep it. — Cassius Jackson Keyser Difficult Copy Share Image
If people would stop objectifying abstractions (which they probably never will), or if they would stop objectifying the abstractions they make consciously… — Cassius Jackson Keyser Abstraction Copy Share Image
It is commonly, but erroneously, believed that it is easy to ask questions. A fool, it is said, can ask questions that… — Cassius Jackson Keyser Answers Copy Share Image
“It happens, therefore, that readers of the book, or of any other book built about a central concept, fall into three mutually… — Cassius Jackson Keyser Books Copy Share Image
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