Whetstone Proverbs

Want is the whetstone of wit. (English Proverb)
The whetstone in a village does no blunt the knife. View proverb
Kikuyu Proverb
Emulation is the whetstone of talent. View proverb
Latin Proverb
The finest edge is made with the blunt whetstone. View proverb
English Proverb