Which phrase in this excerpt from act 1 of Eugene O'Neill's Beyond the Horizon suggests that Robert wishes to travel for adventure?

The phrase that shows that Robert wishes to travel for adventure is "the beauty of the far off and unknown, the mystery and spell of the East which lures me in the books I've read".

Explanation:

One of the major themes of 'Eugene O'Neill's' play 'Beyond the Horizon' is that one should always follow their dreams.

Andrew and Robert were two brothers but completely contrast in nature. Andrew wanted to a farmer ans stay in farms. Robert was poetic, romantic in nature. He loved to read books and travelling. He said that he wanted to follow his dream of following beauty of unknown like he has read in his books. He had the motivation to go far away and see the mystery of the East.

This shows that he wanted to to travel for adventure.

D. far off and unknown