Rosarea was the lady that sat in the back of the bus in 1892 at 5:26pm and Luciano’s cousin was sitting in the front in 1999 at 7:28pm
This words simply means not easily convinced. Or even having doubts.
As one comes closer to the understanding of poetry, then one becomes more able too apply their understanding to their own spiritual being. Robert Frost was able to create his own beliefs based on his experience with studying and writing poetry.
I can't see the side paragraph but I think its a detailed desript of his thoughts.. If I recall it correctly