We are happy in this world just in proporshun as we make others happy.

[We are happy in this world just in proportion as we make others happy.]

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

Everybody’s Friend, Or; Josh Billing’s Encyclopedia and Proverbial Philosophy of Wit and Humor, ch. 150 “Affurisms: Parboils” (1874)
    (Source)