Niccolò Machiavelli,
History of Florence and Of the Affairs Of Italy Book IV…
“ On this occasion, Rinaldo degli Albizzi, the eldest son of Maso, who, by his own talents and the respect he derived from the memory of his father, aspired to the first offices in the government, spoke at great length; showing that it is not right to judge of actions merely by their effects; for it often happens that what has been very maturely considered is attended with unfavorable results: that if we are to applaud evil counsels because they are sometimes followed by fortunate events, we should only encourage men in error which would bring great mischief upon the republic ”
