There was something that hurt him in the way the hills rose so gently from the broad, rich southern plain. Something painful in the lazy curves of the river, golden under a sinking sun, shadowed by the trees that grew along its edges.
The protagonist experiences a deep emotional pain while observing the landscape of the southern plains. The gentle rise of the hills evokes a sense of nostalgia or loss, suggesting that the beauty of the scene is intertwined with his troubled feelings. This connection between nature and emotion highlights how the setting can reflect an internal struggle.
The imagery of the river, with its lazy curves and golden hue under the sunset, further emphasizes this blend of beauty and sorrow. The shadows cast by the trees add a layer of depth to the scene, portraying the complex interplay between light and darkness, joy and pain, in the character's life. This experience illustrates how nature can resonate with personal emotions, making the landscape almost a character in itself.