If ever I’m tempted to doubt, I remember God’s promises that He’s fulfilled from His Word…
No weapon formed against you shall prosper,… (Isaiah 54:17, NKJV)
“God sends you out for ice cream? Is He sending you now so we can all go?”
The Christians rely on God and the promises in His Word, plus wisdom from others following the Lord.
If you sing a song asking God to open the floodgates, you may get a literal answer. You may get a spiritual response.