adjective
BAD : Modern society provides us with material comforts but very few mental rewards.
GOOD : Modern society provides us with material comforts but very few spiritual rewards.
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mental = affecting or taking place in the mind: 'People who have had mental illnesses are often unwilling to talk about them.'
spiritual = connected with the part of a person which has very deep thoughts and feelings: 'African music has a spiritual quality which is often lacking in Western music.'