"It is as to whether its services or uses are to be exchanged or not which makes a tool an article of capital or merely an article of wealth. Thus, the lathe of a manufacturer used in making things which are to be exchanged is capital, while the lathe kept by a gentleman for his own amusement is not."
- Henry George

See biography for Henry George:
https://civilsimian.com/Henry-George

Read Henry George's work:
https://civilsimian.com/user/241/content