It is a poem written by Henry which describes what the purpose of life is of a person and how he should fight with the problems coming his way.
Explanation:
A psalm of life was a poem written by the famous poet Henry Wadsworth. This was written for the purpose deciding what the purpose of life of a human being is on Earth. Along with that it also describes how a person should fight with troubles, struggles that he faces in his life.
In the poem it is seen that the poet is going against the views and the thoughts of the people who think that life is just a matter of numbers and figures.