And be careful of this, that each day at your meals you have two overseers over your household when you sit at meals, and of this be sure, that you shall be very much feared and reverenced.

And with the money from your corn, from your rents, and from the issues of pleas in your courts, and from your stock, arrange the expenses of your kitchen and your wines and your wardrobe and the wages of servants, and subtract your stock.

And be careful of this, that each day at your meals you have two overseers over your household when you sit at meals, and of this be sure, that you shall be very much feared and reverenced.

Exhort all your household often that all those who serve you shall know to serve God and you, faithfully and painstakingly, and for the will of God to prefer in all things to do your will and pleasure in all things that are not against God.

Command those that govern your house before all you household that they keep careful watch that all your household, within and without, be faithful, painstaking, chaste, clean, honest and profitable.

The return from cows and sheep in cheese is worth much money every day in the season, without calves and lambs, and without the manure, which all return corn and fruit.

This part of optics, when well understood, shows us how we may make things a very long distance off appear as if placed very close, and large near things appear very small, and how we may make small things placed at a distance appear any size we want, so that it may be possible for us to read the smallest letters at incredible distances, or to count sand, or seed, or any sort or minute objects.