napoleonic wars prevented mary ann from crossing the atlantic and receiving a french education as had been traditional in her family, her parents, richard and mary carroll cayton, were able to give her a decent american one. in the autumn of 1802, mary ann traveled to philadelphia, home to some of the foremost academies in the country and enrolled at the green hill young ladies' academy. in philadelphia. now, she was taught the usual subjects for a girl, but additionally she was taught to study geography, history, mathematics, science and a lovely phrase, the system of the universe. besides a lot of other subjects. her grandfather, charles carroll of carrollton, however, considered the most important lessons that she was learning were lessons to do with how to conduct her life. and he reminded her in a letter written on february the 2nd, 1803, that the fleeting pleasures of the world leave a dreadful void in that heart which feels not the blessedness of virtue. to you wish -- do you wish for happiness, he asked? by virtuous. do you wish to gain the love and esteem of those whose affection and esteem will render you esteemable in your own eyes? be virtuo