WHEN GOD SPEAK IT MEANS AUTHORITY AND EVERYTHING OBEY BOTH PHYSICAL AND UNPHYSICAL.
GEN 1 VS 3. AND GOD SAID : LET THY BE LIGHT = MEANS GOD SPEAKS WORDS TO THE CREATION. (GOD AUTHORIZED CREATION OF HEAVEN: UNPHYSCAL AND EARTH: PHYSICAL) AND THAT SIGNAL GOD WORDS IS GREATEST.
IF YOU DON'T UNDERSTAND GEN 1 VS 3 AND JOHN 1 VS 4 TO 5 JOHN 1 VS 12 TO 13. THEN THIS WHY JESUS ASKED IN MAT 6 VS 23. IF THEN THE LIGHT IN YOU IS DARKNESS.. HOW GREAT IS THE DARKNESS? JOHN 1 VS 5 IS THE ANSWER BECAUSE EVERYTHING IN DARKNESS ARE PHYSICAL TO THE LIGHT = WORDS.
JOHN 1 VS 12 THE STATEMENT THERE THAT TO THOSE WHO BELIEVED IN HES NAME HE GAVE THEM RIGHT. NOBODY KNOW GOD NAME BUT THE CONDITION IS GOD ALREADY GAVE EVERYBODY RIGHT OF WORDS. IT EXACTLY IN JOHN 1 VS 4.

GOD WORD=LIGHT=RIGHT. i.e ( IGHT) ADD L IGHT WORDS AND R IGHT WORDS.THE LIGHT WORDS HAVE AUTHORITY OVER EVERYTHING BOTH PSYCHICAL AND UNSPHYSICAL.

SEEK THE KINGDOM AS WELL MEANS SEEK THE WORD OF GOD TO HAVE THE RIGHT.
Matthew Chapter 6. Toward chapter end. JESUS said.. Seek the kingdom first. Means Knowing first the both heaven and earth is rule by God with Words. Just like how earthly king rule by their words and nobody dare question their authority. Yoruba people has words for king. KABIOSI.

What is kingdom. A country, state, or territory ruled by a king or queen. We all live in Earthly Kingdom. Physical.
Spiritual Kingdom. Unphsycial. The spiritual reign or authority of God is more powerful because it where the king rule over all unphsycial things. Spiritual : mental.

Jesus says seek the kingdom of God first and everything you need on earth kingdom will be added. God who is the king and ruler of both Kingdom know you need them all i.e car, house, cloth = physical | wisdom, inspiration etc. Unphysical.

The solution to that statement by Jesus is (Light Words) in (World= Earth) same right. God use words to create everything. Word became Physical and Unpshysical. God create man with physical properties. Gen 2 vs 7 to live and speak words in physical earth. Man Breath=spirit unphsycial. i.e man spirit is unphysical but man with right words can be both unphysical and physical. Words power authority.

Gen 1 vs 4 last sentence. God separate Light from Darkness. And God saw and said i.e in words that light was Good. In that sense it means light and darkness were separated from creation by their creator GOD and Darkness has never overcome.

WHAT IS DARKNESS ? DARKNESS IS SOMETHING that can be physical and unphysical and it ONLY LIGHT that SEE it.
So WHEN GOD CREATED HEAVEN AND EARTH. THE EARTH WAS WITHOUT FORM AND VIOD AND DARKNESS COVERED EARTH. EARTH IS OPPOSITE OF HEAVEN THE EARTH IS PHYSICAL AND HEAVEN IS UNSPHSICAL. EARTH HAS A SHAPE BECAUSE MOSES SAW IT AND SAY IT FORM ARE DEEP AND DARKNESS COVERED IT.
MOSES WAS ABLE TO SEE EARTH SHAPE BECAUSE IT WAS PHYSICAL To HIM in that form. MOSES DIDN'T TALK ABOUT HEAVEN AT ALL AND IT WAS JESUS WHO DID BECAUSE JESUS IS THE LIGHT ( HE SPEAK THE WORDS OF GOD) THAT WHY JESUS WORD IS AUTHORITY. EVERYTHING PHYSICAL AND UNSPHYSICAL OBEYS.

God separated light and darkness and man trend life in both light and darkness on the earth with words. So with right words man on Earth can trend on physical part and unphsycial part of earth. PART OF UNPHYSICAL OF EARTH IS GARDEN EDEN. MOSES SAW THAT TOO. Remember Jesus says with words you can tell mountain to move. Wow: who is the Jesus and where he get he's words. John 2 Says = Words became flash. And rest of the versus explain more. The Bible details about physical aspects of Jesus and the words of Jesus aswell.
John 1 Vs 1 to 5. When you find the words of God you'll find light and darkness. Where is the words written ?.The Bible. So inside the Bible you will find both light and darkness. Things you understand = light (physical and unphysical) and those you don't= dark that can be both physical and Unphsycial too. Let use Yoruba words.. on kan to so okuku. It means something can be physical to you and you may still not understand it. Isaiah 60vs2 say it all. Earth is full of darkness.

Conclusion.
The Question. So how great is darkness THAT IS EARTH FILLED if the LIGHT in you is the words of RIGHT.
MAT 4 VS 4.
Seek to trend Earth with light that darkness can't overcame since the beginning and when you have Jesus you can speak the light words.