God Is The Author Of Eternal Salvation and Eternity

Hebrews 5:9 (KJV) 

And being made perfect, he became the author of eternal salvation unto all them that obey him; 

Ephesians 2:6 (KJV) 

And hath raised us up together, and made us sit together in heavenly places in Christ Jesus:

2 Corinthians 5:1 (KJV) 

For we know that if our earthly house of this tabernacle were dissolved, we have a building of God, an house not made with hands, eternal in the heavens. 

2 Corinthians 4:16-18 (KJV) 

16 For which cause we faint not; but though our outward man perish, yet the inward man is renewed day by day. 17 For our light affliction, which is but for a moment, worketh for us a far more exceeding and eternal weight of glory; 18 While we look not at the things which are seen, but at the things which are not seen: for the things which are seen are temporal; but the things which are not seen are eternal. 

Deuteronomy 33:27 (KJV) 

The eternal God is thy refuge, and underneath are the everlasting arms: and he shall thrust out the enemy from before thee; and shall say, Destroy them. 

Isaiah 40:28 (KJV) 

Hast thou not known? hast thou not heard, that the everlasting God, the Lord, the Creator of the ends of the earth, fainteth not, neither is weary? there is no searching of his understanding.