John 3:14-16 Amplified Bible, Classic Edition (AMPC)
14 And just as Moses lifted up the serpent in the desert [on a pole], so must [so it is necessary that] the Son of Man be lifted up [on the cross],
15 In order that everyone who believes in Him [who cleaves to Him, trusts Him, and relies on Him] may [a]not perish, but have eternal life and [actually] live forever!
16 For God so greatly loved and dearly prized the world that He [even] gave up His only begotten ([b]unique) Son, so that whoever believes in (trusts in, clings to, relies on) Him shall not perish (come to destruction, be lost) but have eternal (everlasting) life.
John 3:14-16 New International Version (NIV)
16 For God so loved the world that he gave his one and only Son, that whoever believes in him shall not perish but have eternal life.