After a man gits to be 38 years old he kant form enny new habits mutch, the best he kan do is steer hiz old ones.

[Affter a man gets to be 38 years old he can’t form any new habits much; the bet he can do is steer his old ones.]

Josh Billings (1818-1885) American humorist, aphorist [pseud. of Henry Wheeler Shaw]
Josh Billings’ Trump Kards, ch. 6 “Pets” (1874)
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