What is said of the strength and character of the angels?

Answer

"Bless the Lord, you His angels, that excel in strength, that do His commandments, hearkening unto the
voice of His word." Ps. 103: 20.

What writings are specifically mentioned as containing some things difficult to understand?
Does it matter what one believes, so long as he is sincere?
What were these gifts that Christ gave to men?
By what is Grecia, the kingdom succeeding Medo-Persia, represented in the image?
What do the works of God declare?
What were the colour and character of the fourth symbol?
How will the ransomed of the Lord return to Zion?

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