Remember or find proverbs, sayings or figurative expressions that use different (maybe outdated) units of physical quantities.

Small spool but precious. Slanting fathom in the shoulders. Do not give up an inch. Two inches from the pot, and already a pointer. Each merchant measures it by his own yardstick. Sip jelly for seven miles. Her Saturday through Friday climbed two inches.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.