Mathematics (n.) is like checkers in that it is suitable for the young, not too difficult, amusing, and without peril of the state.
Mathematics (n.) wakes up the sleepy ignoramus, making him quick, retentive and sharp-witted, so he does better than his natural gifts would allow.
Mathematics (n.) and all the preliminary studies are merely the prelude; the song itself is dialectic.
Mathematics (n.) learned rightly reveals a single natural bond linking every diagram, every system of numbers, every harmony and the orbits of the stars.
Mathematics (n.) possesses nothing more excellent than its self-evidence, which surpasses even all its utility — and any empirical admixture would destroy it, as it would destroy moral worth.
Mathematics (n.) is a proof of the existence of an immortal soul, because mathematical theorems are not obtained from experience and so must accompany the soul into existence.
Mathematics (n.) makes a far more civilized pastime for old men than board games: let them pose each other puzzles about the measurable and the unmeasurable.
Mathematics (n.) is not only the mediator between the ideas and the things of sense... the mathematical order is the true account of the nature of reality.
Mathematics (n.) is a kind of hunting: geometers and astronomers make no diagrams but discover what already exists, then hand their catch to the dialecticians to use.