Seems like you're agreeing with them. You do what you need to do at work so that you can afford to buy food and shelter outside of work. But even if not, they

Seems like you're agreeing with them. You do what you need to do at work so that you can afford to buy food and shelter outside of work. But even if not, they seem to mean personal aims to be philosophical in nature, such as political ideological furthering, not concrete like food and shelter.