Faith in moments of despair

فَلَمَّا تَرَٰٓءَا ٱلْجَمْعَانِ قَالَ أَصْحَـٰبُ مُوسَىٰٓ إِنَّا لَمُدْرَكُونَ

And when the two companies saw one another, the companions of Moses said, "Indeed, we are to be overtaken!"