Wordsworth, like the other major poets belonging to the movement we now call Romanticism, used lyric poetry as the main vehicle for his expression. This is a personal form of poetry, and this demonstrates the nature of Wordsworth's interest in man. Man should use his intuition and imagination to connect with the transcendent, that which is beyond human understanding. The transcendent was found most often in nature.
Intuition and imagination are man's finest attributes, and are superior to reason. Man is of vital interest to Wordsworth. In "The World is Too Much with Us," he writes that man should not allow himself to get caught up in worldly affairs, to the neglect of his relationship with nature. In "Tintern Abbey," he demonstrates the empowering effect nature can have on man: leading him to acts of kindness and of love, and leading him to the sublime and to seeing the life of things.
The individual is the cornerstone of Romanticism.