1. It describes a very high state, similar to the spiritual sublime state. Human thoughts are unlimited and can fly anywhere without any end.

2. It means: "No traces of birds are left in the sky", indicating that the environment at this time is quiet, and birds are dynamic things and will not stop flying for any reason. Because they all have their own direction and know where they should fly.

"But I have flown", the word "but" indicates that the "bird" in the previous sentence is a metaphor. The author compares himself to a bird in the sky, which has the same profound and profound meaning. Broad ideals and directions; "already flown" describes that the author is striving for his goals.

3. Pay more attention to experience than results.

From Rabindranath Tagore's "The Birds"

"The Birds" is one of the representative works of the Indian poet Rabindranath Tagore and one of the most outstanding poetry collections in the world. It includes 325 beautiful and incomparable poems. Title poem. Day and night, streams and oceans, freedom and betrayal, all merge into one in Tagore's writings. Short sentences express a profound philosophy of life and lead the world to explore the source of truth and wisdom.

His poems shine with profound philosophical light like pearls, not only arousing love for nature, human beings, and all the beautiful things in the world, but also enlightening people how to persist in the ideal of real life. Pursuit makes the whole life full of joy and light. In his poetry creation, Tagore sang his true love for the people with a pure heart, and expressed his praise for the entire nature, the entire human race, and the beautiful things in the entire universe.