Sharpening Proverbs

The calf isn't even born yet and there he is sharpening his carving knife. (Lithuanian Proverb)
Spirit is the sword and experience the sharpening stone. View proverb
Arabic Proverb
The edge of the sword comes from sharpening, and the fragrance of plum blossom comes from the bitter cold. View proverb
Chinese Proverb
Sharpening a knife does not frighten a horse. View proverb
African Proverb