Self-centered people with a callous nature do not appreciate the feelings or needs of others. They prioritize their own wants over all else, exhibiting a total lack of consideration. These selfish people are fail to comprehend the importance of selflessness and unselfish acts towards their fellow souls. Their only focus remains on satisfying their own requirements, mistakenly realizing the pain they cause to others. In essence, such individuals perpetuate a society devoid of sympathy and compassion.