This is indeed true. I've seen God restore to me parts of me that I'd thought I'd lost. I've seen Him give me a new heart, a new mind. I've seen Him put new sinews into me, spiritually speaking, that weren't there before.
Lights go out! That’s just part of Murphy’s Law of lights. Sooner or later, and usually at the worst possible moment, our precious source of light will go out. That’s true of all lights—except one! He is the Light that keeps shining.
I lift up my eyes to the hills. From where does my help come? My help comes from the Lord, the Maker of Heaven and earth…He who keeps you will not slumber. (Psalm Where does my help come? My help comes from the Lord —the Maker of the entire.
2 Corinthians King Jesus Christ taught us that "God will provide for us". And that we should "First seek God's Kingdom and its righteousness and everything that we are in need of God will bless us with".