John F. Kennedy Quote

“… civility is not a sign of weakness, and sincerity is always subject to proof.” — John F. Kennedy Source: from his inaugural address, United States Capitol, Washington, D.C., January 20, 1961

Oscar Wilde Quote

“One should never take sides in anything . . . Taking sides is the beginning of sincerity, and earnestness follows shortly afterwards, and the human being becomes a bore.”  — Oscar Wilde Source: 1893 play A Woman of No Importance, Act 1 (Lord Illingworth)

Oscar Wilde Quote

“A little sincerity is a dangerous thing, and a great deal of it is absolutely fatal.”  — Oscar Wilde Source: 1891 book Intentions, essay The Critic as Artist, Part 2 (Gilbert)