Here are 3 key passages that show Jesus is fully God:
1. Jesus is called God. In Hebrews 1:8, God says to the Son, "Your throne, O God, will last for ever and ever."
2. Jesus possesses the divine attributes. In John 1:1-3, Jesus is identified as the eternal Word who was with God in the beginning and through whom all things were created. This shows Jesus shares in God's divine nature and attributes.
3. Jesus claims full equality with God. In John 10:30, Jesus declares, "I and the Father are one." His Jewish opponents understood this as a claim to full deity, which is why they tried to stone Him for bl