John Hendricks Bechtel, Slips of Speech : a Helpful Book for Everyone Who Aspires to Correct the Everyday Errors of Speaking
“ Strive to acquire a vocabulary so large and to cultivate a taste so fine that when a slang expression rises to your mind you can use it if you think it best fits the occasion, or substitute something better in its place. Purity of diction is a garden of slow growth even under the most favorable conditions, and the unrestrained indulgence in slang is like scattering seeds of the vilest plants among the choicest flowers. ”
