Answer:
"My father is a simple man" is a simple poem in which there is a difference in the theme and the purpose of the author.
Explanation:
The theme of the poem is that the essence of the life is "perpetual". The "true essence" of life is patience and kindness. However, the purpose of the writer is to raise issues on life and the perceptions of its meaning to different individuals. His purpose is to question the individuals of what the poem intends and the what the "meaning of life" to the individuals is.