Theodore Roosevelt : (5) " The most important single ingredient in the formula of success is knowing how to get along with people. " - Theodore Roosevelt " The most important single ingredient in the formula of success is knowing how to get along with people. " - Theodore Roosevelt " Absence and death are the same – only that in death there is no suffering. " - Theodore Roosevelt " The only time you really live fully is from thirty to sixty. The young are slaves to dreams; the old servants of regrets. Only the middle-aged have all their five senses in the keeping of their wits. " - Theodore Roosevelt " The man who loves other countries as much as his own stands on a level with the man who loves other women as much as he loves his own wife. " - Theodore Roosevelt