Question

Which sentence does not contain any punctuation errors?

A.
I thought of you when I read these words of Shakespeare “The fool doth think he is wise, but the wise man knows himself to be a fool.”

B.
I thought of you when I read these words of Shakespeare; “The fool doth think he is wise, but the wise man knows himself to be a fool.”

C.
I thought of you when I read these words of Shakespeare: "The fool doth think he is wise, but the wise man knows himself to be a fool."

D.
I thought of you when I read these words of Shakespeare—“The fool doth think he is wise, but the wise man knows himself to be a fool.”

Answer 1

B.
I thought of you when I read these words of Shakespeare; “The fool doth think he is wise, but the wise man knows himself to be a fool.”

Answer 2

The answer is C, as a colon is commonly used before a long, formal (and/or cited) quotation. The other option would have been a comma, but these are typically reserved for less formal or short quotations.