Bible (Word of God)
Isaiah 30,8
Now therefore go in and write for them upon box, and note it diligently in a book, and it shall be in the latter days for a testimony for ever.
Isaiah 40,8
The grass is withered, and the flower is fallen: but the word of our Lord endureth for ever.
Mark 7,14
And calling again the multitude unto him, he said to them: Hear ye me all and understand.
John 12,48
He that despiseth me and receiveth not my words hath one that judgeth him. The word that I have spoken, the same shall judge him in the last day.