Aristotelian , Euclidian [line, space, length] and Newtonian [speed of light] systems... have a few unjustified infinities too many: when such an infinity is introduced into the denominator, it makes the whole expression vanish. In other words, faulty, insufficient observations leads to the introduction of ... fanciful 'infinities'.

It would be interesting to see the Behaviorists deny that the writing of a mathematical treatise, or of some new theory of quantum mechanics represents a form …

The Non-Aristotelian, Non-Euclidian, and Non-Newtonian trilogy is more general than Aristotelian, Euclidian, and Newtonian trilogy... because the older systems…

...provided we could define all terms. But this is impossible... We thus see that all linguistic schemes, if analyzed far enough, would depend on undefined ter…

It is also a good rule not to put overmuch confidence in the observational results that are put forward until they are confirmed by theory.

In our time, in the period 1960-1980, we have seen particle physics emerge as the playground of group theory.

Aliens invade the earth and threaten to obliterate it in a year's time unless human beings can find the Ramsey number for red five and blue five. We could mars…