When young, we trust ourselves too much, and we trust others too little when old. Rashness is the error of youth, timid caution of age. Manhood is the isthmus between the two extremes; the ripe and fertile season of action, when alone we can hope to find the head to contrive, united with the hand to execute.

Remarks on the Talents of Lord Byron and the Tendencies of Don Juan (ed. 1823)