If someone were to put a proposition before men bidding them choose, after examination, the best customs in the world, each nation would certainly select its own. ↗
The proposition that Muslims are welcome in Britain if, and only if, they stop behaving like Muslims is a doctrine which is incompatible with the principles that guide a free society. ↗
So the proposition that the ideal parents for any child are its biological parents is a statement with which we can all agree in the generality, but which does not apply, for one reason or another, in many particular circumstances. ↗
True science is never speculative; it employs hypotheses as suggesting points for inquiry, but it never adopts the hypotheses as though they were demonstrated propositions. ↗
Before I met Ayn Rand, I was a logical positivist, and accordingly, I didn't believe in absolutes, moral or otherwise. If I couldn't prove a proposition with facts and figures, it was without merit. ↗
I tell you the solemn truth, that the doctrine of the Trinity is not so difficult to accept for a working proposition as any one of the axioms of physics. ↗