In Hemingway's A Farewell To Arms the idea of existentialism is often thrown around. Existentialism basically operates under the belief that there is no inherent meaning in life, but that one must create their own individual meaning for their own life. In the novel, Lieutenant Henry falls in love with the lovely Catherine Barkley, and as the war progresses, Henry often uses thoughts of Catherine to motivate him to continue.
During the retreat from Caporetto—one of Hemingway's most famous pieces of writing—Henry fantasizes about Catherine in bed with him. He fears to lose her and never seeing her again. In this sense, the only meaning he finds throughout the brutal war is love.
Toward the end of the novel, when Catherine is pregnant with Henry's baby, the novel reads:
"When there was a good day we had a splendid time and we never had a bad time. We knew the baby was very close now and it gave us both a feeling as though something were hurrying us and we could not lose any time together."...
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