Scilurus on his death-bed, being about to leave four-score sons surviving,
offered a bundle of darts to each of them, and bade them break them.
When all refused, drawing out one by one, he easily broke them,--thus
teaching them that if they held together, they would continue strong;
but if they fell out and were divided, they would become weak.
-- Plutarch (46-120 AD)
-- Apophthegms of Kings and Great Commanders
Whenever Alexander heard Philip had taken any town of importance
or won any signal victory, instead of rejoicing at it altogether,
he would tell his companions that his father would anticipate everything,
and leave him and them no opportunities of performing great and illustrious
actions....