Matthew 24:35

[Although] the sky and the earth will pass away [See II Pet. 3:10], my words will not pass away [i.e., they will certainly come true].

Philippians 4:4

Rejoice in [fellowship with] the Lord all the time. I will say it again: Rejoice!

1 Peter 1:8

Although you have not seen Jesus, you [still] love Him and believe in Him, and this causes you to have an indescribable, glorious joy.

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 [fellowship with] the Lord all the time. I will say it again: Rejoice!
1 Peter 1:8
Although you have not seen Jesus, you [still] love Him and believe in Him, and this causes you to have an indescribable, glorious joy.

The mouth

Matthew 24:35
[Although] the sky and the earth will pass away [See II Pet. 3:10], my words will not pass away [i.e., they will certainly come true].