Flattery iz like colone water, tew be smelt ov, not swallered.

[Flattery is like cologne water, to be smelt of, not swallowed.]

Josh Billings (1818-1885) American humorist, aphorist [pseud. of Henry Wheeler Shaw]

Josh Billings’ Farmer’s Allminax, 1870-02 (1870 ed.)
    (Source)

This passage can be originally found in column material, e.g., in the Middlesex County Journal (Massachusetts) (1969-07-10), "Sollum Thoughts":

Flattery is like kolone water, tew be smelt ov, not swallowed.