“The one who would be constant in happiness must frequently change.”

“Whosoever desires constant success must change his conduct with the times.”

Niccolo Machiavelli (1469–1527) Italian politician, Writer and Author

“Constant effort and frequent mistakes are the stepping stones to genius.”

Elbert Hubbard (1856–1915) American writer, publisher, artist, and philosopher fue el escritor del jarron azul

“All who joy would win
Must share it -- Happiness was born a twin.”

George Gordon Byron Don Juan

“Jesus promised his disciples three things—that they would be completely fearless, absurdly happy, and in constant trouble.”

William Barclay (1907–1978) Church of Scotland minister and academic

“The constant happiness is curiosity.”

Alice Munro (1931) Canadian novelist

“Happiness consists in frequent repetition of pleasure”

Arthur Schopenhauer (1788–1860) German philosopher

“Change is inevitable. In a progressive country change is constant. ”

Benjamin Disraeli (1804–1881) British Conservative politician, writer, aristocrat and Prime Minister

“The constant refrain that bringing our troops home would demonstrate a lack of support for them must be one of the most amazing distortions ever foisted on the American public.”

Ron Paul (1935) American politician and physician

“At the door of every happy person there should be a man with a hammer whose knock would serve as a constant reminder of the existence of unfortunate people.”

Anton Chekhov book Gooseberries