Grumbling and complaining won’t win anyone to Christ. We can all find plenty to be thankful for if we would just slow down for a moment to look.
https://www.desiringgod.org/messages/the-ministry-of-hudson-taylor-as-life-in-christ/
https://www.desiringgod.org/messages/the-ministry-of-hudson-taylor-as-life-in-christ/excerpts/the-miracle-of-a-murmur-free-life