- Romans 8:16
- The Spirit Himself witnesses with our spirit that we are children of God.
- 1 Corinthians 2:11
- For who among men knows the things of man, except the spirit of man which is in him? In the same way, the things of God also no one has known except the Spirit of God.
- John 3:6
- That which is born of the flesh is flesh, and that which is born of the Spirit is spirit.
Every man has a human spirit whether he is a believer or not.
- Zechariah 12:1
- The burden of the word of Jehovah concerning Israel. Thus declares Jehovah, who stretches forth the heavens and lays the foundations of the earth and forms the spirit of man within him,