While Enlightenment writers were more interested in innovation, Romantic writers were more interested in

the physical world.

the uses of science.

the freedom of expression.

the value of self-control.

Romantic writers were all about "the freedom of expression". Primarily because the previous era that preceded romanticism is classicism, where freedom was practically forbidden, and where rules needed to be followed strictly. However, romanticism tries to deny rules, and fights for the freedom of expression.