Experiense iz a good teacher, but she iz a dredphull slo one, before we git haff thru her lessons, the bell rings, and we are summoned to judgement.
[Experience is a good teacher, but she is a dreadful slow one; before we get half through her lessons, the bell rings, and we are summoned to judgement.]
Josh Billings (1818-1885) American humorist, aphorist [pseud. of Henry Wheeler Shaw]
Josh Billings’ Trump Kards, ch. 6 “Pets” (1874)
(Source)