Acts 4:28

Yet only to do what thou, by thy power and of thy own will, didst long ago destine to be done.

Matthew 11:25

At that same time Jesus uttered the words: "I thank thee, Father, Lord of Heaven and earth, that, though thou has hidden these things from the wise and learned, thou hast revealed them to the child-like!

Ephesians 1:9

When he made known to us his hidden purpose. And it also accords with the good-will which God purposed to exhibit in Christ,

Hebrews 4:3

Upon that Rest we who have believed are now entering. As God has said-- 'In my wrath I swore--"They shall never enter upon my Rest;"' Although God's work was finished at the creation of the world;

Hebrews 6:16-18

Men, of course, swear by what is greater than themselves, and with them an oath is accepted as putting a matter beyond all dispute.

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 same time Jesus uttered the words: "I thank thee, Father, Lord of Heaven and earth, that, though thou has hidden these things from the wise and learned, thou hast revealed them to the child-like!
Acts 4:28
Yet only to do what thou, by thy power and of thy own will, didst long ago destine to be done.
Ephesians 1:9
When he made known to us his hidden purpose. And it also accords with the good-will which God purposed to exhibit in Christ,

General references

Ephesians 3:11
In accordance with that purpose which runs through all the ages and which he has now accomplished in Jesus, the Christ, our Master.