What two great doctrines of the divine plan were obscured for many years? and by what strings of the harp are they represented? [¶ 619]. (See back reference)

Why have these doctrines been obscured? [¶ 619].

If they have been revived or discovered in recent years, what has been the cause? [¶ 619].

What effect upon Christians does the knowledge of restitution have? [¶ 619].

What Psalm pictures this joyful effect? [¶ 619].

In what kind of phrase has the plan of God been stated? [¶ 620].

Who have been able to understand God's plan? [¶ 620].

What did the Psalmist mean when he said: "I will incline mine ear to a parable; I will open my dark sayings upon the harp"? [¶ 620].

What kind of music does this harp yield when understood? [¶ 620].

How does the chord of restitution respond to the other strings of the harp? [¶ 620].