Can lyric poetry be described as a clear spring in a mountain?

Of course. Comparing lyric poetry to a clear spring on a mountain will not change its meaning, so it is possible. A kind of poetry, which is characterized by focusing on expressing the thoughts and feelings inspired by the poet in life. Mainly to express the poet's thoughts and feelings to reflect his life, so he doesn't describe the process of life events in detail, generally there is no complete story, and he doesn't specifically describe people and scenery.