Surprising, Romanticism did not concern itself with themes so much as relationships. By that is meant that "themes" implies a mental, intellectual agenda, while Romanticism was concerned with “the spontaneous overflow of powerful emotion,” quite a different thing. But setting aside this subtlety, the “recurring image clusters” of Romantics are: first, aligning our present, temporal life with its cosmic, timeless origins (“Our birth is but a sleep and a forgetting”); second, recognizing the power of Nature in our understanding of Beauty (My heart leaps up when I behold/A rainbow in the sky”), and, third, the relationship between the rhythms and seasons of Nature and human cycles of pain and happiness, life and death, fear and faith. Here is a poem by a little-known Romantic poet, William Savage Landor (1775-1864),that sums up much of what might be considered the themes of Romanticism:
"Dying Speech of an Old Philosopher"
I strove with none, for none was worth my strife:
Nature I loved, and, next to Nature, Art:
I warmed both before the fire of Life;
It sinks; and I am ready to depart.
In rough: Love of nature and dislike of urban life, mystical, basic form, ordinary language of people, subjects of Romantic poetry often ordinary people, imagination.
The Act of showing love with each other.