'Ink' in the Bible

And Baruch saith to them, 'From his mouth, he pronounceth unto me all these words, and I am writing on the book with ink.'

manifested that ye are a letter of Christ ministered by us, written not with ink, but with the Spirit of the living God, not in the tablets of stone, but in fleshy tablets of the heart,

Many things having to write to you, I did not intend through paper and ink, but I hope to come unto you, and speak mouth to mouth, that our joy may be full;

Many things I had to write, but I do not wish through ink and pen to write to thee,