He doesn't believe in the world of forms but rather he says that everything that is real is in the world we see before us., Everything we can understand we can also touch
He divided these causes into 4 different types: The Material Cause, The Formal Cause, The Efficient Cause & The Final Cause, He explains that The Final Cause is the ultimate purpose of the thing, for humans he says that this is happiness. However this is more than just the feeling and can be achieved when virtue is a achieved, Doryphoros Example:, Material Cause: Bronze/Marble, Formal Cause: Perfect, male, nude, wisdom, reason, Efficient Cause: Chisel/Hammer, Final Cause: didactic piece that teaches the greek virtues of wisdom, perfection, & beauty
Take for example the oak tree; inside the acorn lies what will become the oak tree
More complex animals show the ability to problem solve, However, Aristotle argues that humans have a special intellectual power called reason which is the ability to comprehend universals.