What pair of lines in this excerpt from Walter Scott's Lochinvar brings out the theme of courageous heroism?

In Walter Scott's "Lochinvar," the lines that depict the heroism of Lochinvar highlight his fearless determination as he boldly rides to claim his love despite the dangers ahead. Phrases that emphasize his swift approach and unwavering resolve illustrate his courage in the face of potential conflict. This portrayal of Lochinvar as a valiant figure ready to confront any obstacles reinforces the theme of courageous heroism throughout the poem.