In 2 Corinthians 12:2, Paul mentions being caught to the third heaven—here he specifies it as paradise and adds hearing inexpressible words, expanding the same event.

Luke 23:43 records Jesus promising paradise to the thief—the same paradise Paul was caught up to, reinforcing its reality.

Revelation 2:7 promises the tree of life in God's paradise—the same paradise Paul heard ineffable things in, linking future hope.