Who is the greatest?

On a sunny afternoon, a tired traveller rested under a shady tree, falling asleep. In a fanciful twist, his body parts came to life and engaged in a debate about who is greatest among all. Hands and legs claimed to be the hardest workers, and eyes argued for their importance. Amidst the debate, the stomach is often criticized for doing nothing. Join the tale to discover what the stomach said in response.