Matthew 24:35

Heaven and earth shall pass away, but my words shall not pass away.

Philippians 4:4

Rejoice in the Lord always; again I say, rejoice.

1 Peter 1:8

whom not having seen you love, in whom believing though now you see him not you rejoice with joy unspeakable and glorious,

Treasury of Scripture Knowledge

Summary

Then shalt thou delight thyself in the LORD; and I will cause thee to ride upon the high places of the earth, and feed thee with the heritage of Jacob thy father: for the mouth of the LORD hath spoken it.

The mouth

Bible References

Delight

Philippians 4:4
Rejoice in the Lord always; again I say, rejoice.
1 Peter 1:8
whom not having seen you love, in whom believing though now you see him not you rejoice with joy unspeakable and glorious,

The mouth

Matthew 24:35
Heaven and earth shall pass away, but my words shall not pass away.