Can one who is strong have doubt? John the Baptist even experienced questions and doubt when things didn't go how he expected. So how was that doubt removed and how can we gain lessons about doubt we may have today.
Revelation Overcoming the Overwhelming (Steve Klein)
The simple message of the Book of Revelation is that, in the universal struggle between good and evil, Jesus wins! And those on His side will win too! Even though evil may seem overwhelming, saints who follow the Lord and trust in Him, will ultimately gain the victory with Him.
The Bible Series Q7: Divided Kingdom Part 2: Class #21 (Gary Boyd, Jeff Smith)
There is coming a day, which no man knows, when we will all be judged according to God's Word (John 12:44-50; Matthew 7:13-27 and II Timothy 2:15). We strive to worship God according to the pattern, which has been set forth in the New Testament.