Final answer:
According to Hebrews 11:3, the things which are seen were not made of visible matter. The writer of Hebrews emphasizes that the visible world was formed by the word of God.
Step-by-step explanation:
According to Hebrews 11:3, the things which are seen were not made of visible matter. This means that the visible world and all its elements were not created from other visible matter, but rather by an invisible force or power.
The writer of Hebrews is emphasizing the concept of faith, stating that the visible world was formed by the word of God. This reflects the belief that God created the universe out of nothing, or ex nihilo, as opposed to forming it from pre-existing matter.