What is implied in a knowledge of God and Jesus Christ?

Answer

"And this is life eternal, that they might know Thee the only true God, and Jesus Christ, whom Thou hast
sent." John 17: 3.

Upon what ground did Nicodemus rest his belief that Christ was a teacher from God?
What was the effect of this apostasy?
How early was this sacrificial system known?
Wherein does the new covenant differ from and excel the old?
What answer did Elijah make?
In what language is the same truth again expressed?
What was one of Christ's parting promises to His disciples?

Questions & Answers are from the book Bible Readings for the Home Circle