Jesus says to seek the Kingdom of God first. What is the Kingdom?

Gen. 1:1 ¶ In the beginning God created the heavens and the earth.

Gen. 1:27 God created man in His own image, in the image of God He created him; male and female He created them.
Gen. 1:28 God blessed them; and God said to them, "Be fruitful and multiply, and fill the earth, and subdue it; and rule over the fish of the sea and over the birds of the sky and over every living thing that moves on the earth."
Gen. 1:29 Then God said, "Behold, I have given you every plant yielding seed that is on the surface of all the earth, and every tree which has fruit yielding seed; it shall be food for you;
Gen. 1:30 and to every beast of the earth and to every bird of the sky and to every thing that moves on the earth which has life, I have given every green plant for food"; and it was so.

Psa. 24:1 ¶ The earth is the LORD'S, and all it contains,
The world, and those who dwell in it.

Gen. 8:22 "While the earth remains,
Seedtime and harvest,
And cold and heat,
And summer and winter,
And day and night
Shall not cease."

Ex. 9:29 Moses said to him, "As soon as I go out of the city, I will spread out my hands to the LORD; the thunder will cease and there will be hail no longer, that you may know that the earth is the LORD'S.

Deut. 10:14 "Behold, to the LORD your God belong heaven and the highest heavens, the earth and all that is in it.