The Bible

 

Genesis 49:11

Study

       

11 Knotting his ass's cord to the vine, and his young ass to the best vine; washing his robe in wine, and his clothing in the blood of grapes:

Commentary

 

Strong

  

In the Word, people who trust in themselves and their own intelligence are sometimes called 'strong,' as in Isaiah 1:31. This is because they themselves and their work is strong.

(References: Apocalypse Explained 504)