Remembrances of skepticism (pessimism)

Oh God, there is no bird except Your bird, and there is no good except Your good, and there is no god but You.

A supplication for expiation of tira (pessimism about something)

Oh God, no one brings good deeds except You, no one repels evil deeds except You, and there is no power or strength except with You.

If he sees something he hates or is pessimistic