Which is the most interesting phrase in the poem "Mother to son"? Why?

"He should try not to fall because his mother is still going, still climbing, and her life "ain't been no crystal stair."

"Life for me ain't crystal stair" is the most interesting phrase of the poem "Mother to son".

Explanation:

Langston Hughes is the author of the poem "Mother to son" who is a "famous American poet and columnist". In this poem, a mother advises her son about the challenges in life and how to handle them. She compares her life to a "ragged staircase containing gaps, splinters". Life had never been crystal stair to her. She encourages her son to have strong ability and optimism to face the obstacles in life. Life is full of challenges, tests, struggles. In spite of all these, we need to have resilience, patience, determination and hope to cross the hurdles.