My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

I try to treat all the money I'm making like it's the last time I'm going to make it.

Although gold and silver are not by nature money, money is by nature gold and silver.

It might otherwise appear paradoxical that money can be replaced by worthless paper; but that the slightest alloying of its metallic content depreciates it.

The circulation of commodities is the original precondition of the circulation of money.

The writer must earn money in order to be able to live and to write, but he must by no means live and write for the purpose of making money.