Plato's dialogues are way, way easier to read than Aristotle; try some of these (Symposium, the Republic...). From Aristotle, "nicomachean ethics" is quite a go

Plato's dialogues are way, way easier to read than Aristotle; try some of these (Symposium, the Republic...). From Aristotle, "nicomachean ethics" is quite a good read IMO, I'd start with this.