The message or theme of the poem of "Ozymandias" is that man is insignificant and his efforts are vain when compared to the forces of time and nature. Shelly expertly uses diction in the poem to portray important ideas. By encompassing time and nature into a theme Shelley brings a divine sense to the poem. To consider the issue of the power of time and nature, the poet has the narrator reporting on a meeting …showed first 75 words of 523 total…

…showed last 75 words of 523 total…He represents what "Ozymandias" could not achieve and that is immortality. "Ozymandias" did however leave a mark on the world but in time even that too will be overcome by the relentless forces of Nature and time that is God. In conclusion, the main themes of the poem are nicely summed up in mans insignificance to time and nature. Shelley also puts across the idea of despair superbly through delicate and subtle use of diction.