Dearest Lady Isabella, thou art the beacon of celestial light in this dark world, and my heart doth thunder with boundless yearning for thee. As I, Lord Edgar, find solace only in the whispers of the night, I pen this impassioned prose for thine eyes alone.
The nobleman's name is Lord Edgar, and he is secretly in love with a young noblewoman named Lady Isabella.
Imagine you are William Shakespeare drafting a love letter for a nobleman to his secret lover. Write the opening lines of this letter, capturing the passionate emotions he feels.