From the cycles of Shmita, we learn the practice of rest and true surrender to gods will in receiving in a state of rest.
When we truly embody spirituality, and oneness with god, it manifests itself in physical ways and comes to us un the form of physical gifts in this world.
And the lessons we learn from both Moshe and Har Sinai are the synthesis of how to be a leader, standing in our own light will full humility and in service of god. This is what leads us to maximize our own potential.