4p20.md (306B)
1 The more every man endeavours, and is able to seek 2 what is useful to him–in other words, to preserve his own 3 being–the more is he endowed with virtue; on the contrary, in 4 proportion as a man neglects to seek what is useful to him, that 5 is, to preserve his own being, he is wanting in power. 6 7