There are three bad traits that are indicative of bad guess to God

Imam Ali (as) says:
Even though miserliness, cowardice and greed are different qualities, yet they are all caused by suspicious Allah.

إنَّ البُخْلَ وَالجُبْنَ وَالحِرْصَ غَرَائِزُ شَتَّی یَجْمَعُهَا سُوءُ الظَّنِّ بِاللهِ.

Nahj al-Balaghah, letter 53