Surely
Kadesh-barnea is, by the unbelief of Israel there, and the divine comment on that unbelief (Numbers 14:22-38); (Deuteronomy 1:19-40); (1 Corinthians 10:1-5); (Hebrews 3:12-19) invested with immense spiritual significance. The people had faith to sprinkle the blood of atonement (Exodus 12:28) and to come out of Egypt (the world), but had not faith to enter their Canaan rest. Therefore, though redeemed, they were a forty years' grief to Jehovah. The spiritual application is made in (Hebrews 6:3-11):
( See Scofield) - (Hebrews 6:4).