How many classes of angels are there?

There are two classes–good and evil angels. The good angels are described as “holy” (matt 25:31), and the evil angels are described as “wicked” or those who “sinned” (Matt 25:41; 2 Pe 2:4). How did we get these two classes of angels? Rev 12:7-9, 12 How much does the Bible reveal to us about the angels–whether good or bad? What are their abilities and limitations? (a) Nature (noting the implications of these characteristics) (Heb 2:7; 1:7;cf. Ps. 104:4; 1 Cor 15:44; Luke 24:39; Heb 13:1, 2; cf. Gen 18-19; Mark 5:1-5; Matt 28:2, 3). (b) Speed: Eze 1:11, 14 (NB: limitations, not omnipresent) (c) Knowledge: 2 Sam 14:20; cf. Acts 10:1-6 (NB: limitations, future and reading of thoughts) (d) Strength: Ps 103:20; cf. 2 Pet 2:11; Mark 5:1-5 (cf. combat with Assyrian soldiers with 185,000 killed in a night) (e) Number: Dan 7:10; Rv 5:11; Heb 12:22 Summary: Eph 6:10-12 Why Must We Not Be Afraid of the Unseen Supernatural Forces? God has commissioned His good angels to do the following for us: ( ...  more