Hawzah News Agency – The commander of the faithful, Imam Ali peace be upon him says

مَن فَهِمَ مَواعِظَ الزَّمانِ لَم يَسكُنْ إلى‏ حُسنِ الظَّنِّ بالأيّامِ.

'He who understands the exhortations of time will not be at ease with entertaining good opinions about his days.'

Source: Ghurar al-Hikam, no. 8938