( Al-Aadiyath) 100 : 6
إِنَّ الْإِنْسَانَ لِرَبِّهِ لَكَنُودٌ
Indeed, mankind is ungrateful to his Lord.
That means, if horses are ready to serve their master who gives food and water to them by sacrificing even their life, mankind, who are endowed with intelligence, are ungrateful to their Lord by serving Satan instead of serving the Lord. But one in a thousand believers who live here by testifying Adhikr are exempted from it. Such a believer, by holding fast Adhikr–the Unbreakable Rope–is holding Allah, and is in the Straightpath as explained in verses 2:256; 3:101; 4:174-175 and 5:48. See explanation 8:22; 9:67-68 and 10:17-18.