Final answer:
The two words that complete the quotation are 'only love'.
Step-by-step explanation:
The full quotation is from Shakespeare's play Romeo and Juliet. The two words that complete the quotation are only love. In this line, Juliet is expressing that her only love has sprung from her only hate, referring to the fact that her love, Romeo, is from the rival family, the Montagues.
Learn more about Shakespeare's play Romeo and Juliet