Mental strength is more important than physical strength when it comes down to survival
" I am nobody". Odysseus outsmarts Polyphemus (Cyclops) when stuck on the island. He knows that they have to take him out in order to escape however the Cyclops would ask his father Poseidon to kill Odysseus so he takes precautions his name is nobody. Mental Strength is what saved Odysseus in his encounter with Polyphemus , Physical strength wouldn't have been useful when confronting a monster of that magnitude.