Failure should be our teacher, not our undertaker. Failure is delay, not defeat. It is a temporary detour, not a dead end. Failure is something we can avoid only by saying nothing, doing nothing, and being nothing. ↗
The Indians could not undertake any widespread cultivation of the plains not only because they lacked iron tools but also because they had no draft animals. ↗
The pursuit of happiness, which American citizens are obliged to undertake, tends to involve them in trying to perpetuate the moods, tastes and aptitudes of youth. ↗