Al-Anfal 8:55

Inna sharra addawabbi AAindaAllahi allatheena kafaroo fahum la yu/minoon

Indeed, the worst of living creatures in the sight of Allāh are those who have disbelieved, and they will not [ever] believe-

Surely, the worst of all the moving creatures, in the sight of Allah, are those who reject Faith and do not believe