Which of the following is a theme from macbeth? (10 points)

a)those without convictions are easily manipulated.
b)the visible is more dangerous than the invisible.
c)a firm beliefs will you succeed.
d)friendship can withstand any challenge.

There are a few themes that the play MacBeth can fit into. Out of these given choices, the only theme that comes close to fitting is that the visible is more dangerous than the invisible. 

In 2081, everyone is equal not only in the eyes of the law but in every way; nobody is smarter, more athletic, better looking, etc. than anyone else. hazel is of average intelligence, which means she can't think about anything except in short bursts, and george has an intelligence way above normal.