When a disbeliever praises Allah after sneezing

Yahdīkumullāhu wa yuṣliḥu bālakum. May Allah guide you and set your affairs in order Reference: At-Tirmidhi 5/82, Ahmad 4/400, Abu Dawud 4/ 308. See also Al-Albani, Sahih At-Tirmidhi 2/354.