"War makes men barbarous because, to take part in it, one must harden oneself against all regret, all appreciation of delicacy and sensitive values. One must live as if those values did not exist, and when the war is over one has lost the resilience to return to those values."

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The imagination is the medium of appreciation in every field. The engagement of the imagination is the only thing that makes any activity more than mechanical. Unfortunately, it is too customary to identify the imaginative with the imaginary, rather than with a warm and intimate taking in of the full scope of a situation.

— John Dewey