Matthew 11:25

At that time Jesus answered and said: "I praise thee, Father, Lord of heaven and earth, that thou hast hidden these things from the wise and wary, and hast revealed them to the children.

Ephesians 1:9

when he made known to us, I say, that good pleasure which he purposed in himself

Hebrews 4:3

We are actually entering into that rest, we who have believed, as God has said,??n my wrath I swore??They shall not enter into my Rest

Hebrews 6:16-18

I am referring to the oath because men swear by what is greater than themselves, and in every dispute of theirs the oath is final for confirmation.

Treasury of Scripture Knowledge

Summary

The LORD of hosts hath sworn, saying, Surely as I have thought, so shall it come to pass; and as I have purposed, so shall it stand:

General references

Bible References

Surely

Matthew 11:25
At that time Jesus answered and said: "I praise thee, Father, Lord of heaven and earth, that thou hast hidden these things from the wise and wary, and hast revealed them to the children.
Ephesians 1:9
when he made known to us, I say, that good pleasure which he purposed in himself

General references

Ephesians 3:11
according to his eternal purpose which he purposed in Christ Jesus our Lord.