The animal in me
Showed the animal courage
By fighting and strangling.
The human in me
Showed the human courage
By snubbing and belittling.
The divine in me
Shows the divine courage
In accepting and loving.
The Supreme in me
Shows the supreme courage
In transforming, widening, deepening
And finally transcending.
Theme: Courage
Propensity. It’s a tendency or likelihood.
For the thesis you should compile the subjects of you body paragraphs, maybe talk about his creation of the Laws of Motion and his observation of gravity (apple falling from the tree.)
Maybe say "Isaac Newton spent his days discovering, from the creation of the laws of motion to comprehending the concept of gravity itself."
Answer: This may be late but I think the two lines are "And there's a barrel that I didn't fill."
and-"I cannot rub the strangeness from my sight."
Explanation: I hope this is right sorry if it is not :)