- How sure this is
- 44% sureLots of sources credit George Washington Carver with this, and they agree with each other. The book or the speech it first came from hasn't turned up yet.
- What turned up
- widely attributed, no primary source found — cited to two Carver biographies (1954, 1982), but a researcher flagged it as likely "the gist of Carver's words rather than a verbatim quote"