Hadith on Worship: Thinking good thoughts about Allah is part of excellent worship

Abu Huraira reported: The Messenger of Allah صلى الله عليه وسلم said, “Thinking well about Allah is a part of worshiping Allah well.”
[Sunan At-Tirmidhi, Book of Various Supplications, Number 3959, Hasan]

عَنْ أَبِي هُرَيْرَةَ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم إِنَّ حُسْنَ الظَّنِّ بِاللَّهِ مِنْ حُسْنِ عِبَادَةِ اللَّهِ

سنن الترمذي الجامع المختصر من السنن عن رسول الله ومعرفة الصحيح والمعلول وما عليه العمل