Regarding the second, that's very much the angle DeBeers marketing has been trying to push. In practice, it will be true of some girls and not true about other

Regarding the second, that's very much the angle DeBeers marketing has been trying to push. In practice, it will be true of some girls and not true about others. FWIW, I agree that "science and the progress of human knowledge" isn't exactly the right symbolism for a wedding ring. But I do think it's better than "blood and oppression", at least given my personal views on marriage...