What do you mean by "psalm of life"

A Psalm of Life” is well written by Henry Wadsworth Longfellow. The write is very much centered to all his thoughts and clearly advising through his poem. The poet is showing a different angle to live this life and he is constantly saying that there is only one life and hence one should make a good use of it.Therefore he uses appropriate words which can directly attack anybody’s mind. One should know how short this life is and how to make it more meaningful. There is an inspiration provided in this poem which is very interesting to understand.The writer himself has written this poem at fairly young age and thus it’s more accurate for all youth audience. This poem tells how to live life happily without giving up to any of difficulty that can come across your way.