Request the translation of a poem by Tagore

This is Tagore's preface to Birds:

Tagore's poem: "There are no traces of birds in the sky, but I have flown."

The English for this comparison is:) ~ ~

I left no trace of my wings in the air,

But I'm glad I've flown.

This sentence is the best interpretation of "calm":) ~ ~

And this sentence:) ~ ~

A bird wishes to be a cloud. Cloud is willing to be a bird. The bird wishes it were a cloud.

The cloud wishes it were a bird.