Philippians 4:19 — "But my God shall supply all your need according to his riches in glory by Christ Jesus" — was written by Paul from prison to a church that had just sent him financial support. The promise is not unlimited prosperity — it is need met. The Greek word chreian — "need" — means genuine requirement, what is actually necessary. And the standard of supply is not Paul's current circumstances but "his riches in glory." The contrast between the current resource shortage and the source of supply is the point.
Matthew 6:25–26 grounds freedom from financial anxiety not in having enough but in the nature of the Father: "Is not the life more than meat, and the body than raiment? Behold the fowls of the air: for they sow not, neither do they reap, nor gather into barns; yet your heavenly Father feedeth them." The argument is not that crisis does not happen but that God feeds creatures with less capacity to advocate for themselves than you have. The one who feeds ravens is your Father.
Commentary is from a charismatic Protestant perspective, drawing on KJV text and public-domain sources including Spurgeon, Andrew Murray, and Matthew Henry.