
Misattributed
Misattributed
Elbert Hubbard, as quoted in The Treasury of Humorous Quotations (1951) by Evan Esar, p. 103
Misattributed
“Those who can't do, teach. And those who can't teach, teach gym.”
Source: Annie Hall: Screenplay
“Never interrupt someone doing something you said couldn't be done.”
As quoted in "She Drew Horses..." (2006) by Kelli Swan, p. 42
Disputed
“Those who can -- do. Those who can't -- teach.”
Variant: Half the world is composed of people who have something to say and can't, and the other half who have nothing to say and keep on saying it.
“Those who are happiest are those who do the most for others.”
Variant: The happiest people are those who do the most for others. The most miserable are those who do the least.
Source: Up from Slavery