The meaning of the word 'ambling' as used in the passage is to WALK OR STROLL.
In the passage, the author is saying that, he finds it distasteful to strut before a small child who is walking or strolling in a relaxed manner.
The meaning of the word 'curtailed' as used in the passage is to BE DEPRIVED OF SOMETHING.
The author is saying in this line, that he is deprived of beauty.
Support the life of cows that meows like a little kitty
Hope this helps
Dr King while making use of an allusion refers to the Reverend Rein hold Niebuhr who was a theologian from America.
<u>Explanation</u>:
He was also a professor and an intellectual who was leading during the time of the twentieth century. He used it to strengthen his argument by saying that Niebuhr had written many influential books and those books spoke about the morality of the individual in comparison to the immorality of the society. The writing about the serenity prayers are also his contributions. This was used by king to strengthen his evidence.