There is a slight error in the title of this question :)
Instead of ‘if my dad would let me’, it’s ‘had my dad let me (remember this useful phrase ending). This is because you can’t have a double ‘would’ in the same phrase.
Answer:
In Shakespeare's "Macbeth," the protagonist talks to the witches, who foresee his future and give them a false sense of security. For instance, the Third Apparition shows a child being crowned and tells Macbeth not to fear haters or conspirers because he will be safe until the forest moves to his castle. As a consequence, Macbeth is now (falsely) convinced that he will rule forever, because he will not be harmed, nobody will overthrow him, and it is impossible for a forest to move.
Answer:
The brothers’ ability to overcome difficulties to succeed as scholars.
Explanation:
The excerpt begins by informing us of the difficult personal problems and the meager financial support that the brothers faced from 1805 to 1812. It also highlights that, despite these problems, the brothers could prove themselves as innovative scholars in German philology. Therefore, that the author introduces is the brothers’ ability to overcome difficulties to succeed as scholars.