The phrase can convey a mix of sympathy and motivation when someone faces a tough situation. Losing your job was tough, but these things are sent to try us, and I know you'll come out stronger.
Pro Tip 2/3
Not Literal
It's not meant literally but suggests difficulties are tests of character or resilience. When the car broke down again, Dad just sighed and said, 'Well, these things are sent to try us.'
Pro Tip 3/3
Optimistic Outlook
Using the phrase often implies an optimistic belief that one can overcome the challenge. Even with the setbacks in planning the event, we remind ourselves that these things are sent to try us.