And again, he does not begin with a jurisprudential argument from authoritative texts for the desirableness
of good character, but makes a reasoned argument that an uncultivated wife, much like an impious one, will cause her husband anxiety and distract him from worship of God, illustrating this with what we might call "Islamic wisdom literature" drawn from the chapter on marriage in the influential Sufi treatise Qat al-qulab of Aba Talib al-Maldd (d.
Earl Grey wrote also to Fitzroy, the Governor of New South Wales (which then included Port Phillip), urging the desirableness
of a uniform gauge, and suggesting 4 feet 8 1/2 inches, partly because it had been adopted in South Australia, and partly because it was thought better adapted to a somewhat undeveloped country than a wider gauge, with heavier rolling-stock.
This essay argues that it is a good test for reason, for normal rational beings eventually recognize the desirableness
of knowledge of the world for its own sake as well as the fact that such knowledge can be increased by conversing with others.
Untangling the reasons why this is so is complicated, but differences in housing appreciation ultimately boil down to differences in attractiveness and desirableness
as places to live.