A thing is worth what it can do for you, not what you choose to pay for it.
Expenditures rise to meet income.
Something you don't want is dear at any price.
The cost of a thing is the amount of what I will call life which is required to be exchanged for it, immediately or in the long run.
The gods sell all things at a fair price.
The gods sell to us all the goods which they give us.
What you get free costs too much.
Why so large a cost, having so short a lease, does thou upon your fading mansion spend?