^3:8 I know your deeds. Behold, I have put before you an open door which no one can shut, because you have a little power, and have kept My word, and have not denied My name.

I know your DEEDS;

There is no indication what those deeds are. They must have been OK if the Philadelphians are complemented later in this verse for not denying His NAME. However, there are three "BEHOLD"s that follow in this verse and the next verse.

• 1. BEHOLD, I have put before you AN OPEN DOOR which noone can shut,

  Jesus says that He is the door (and He has the keys) (John 10:1-18). This may reflect the fact that Philadelphia was on the crossing of two major highways and was strategically located to spread the Word of God throughout Asia.
  
  Our access to God is through the OPEN DOOR (Romans 5:1-2).
  
  We are filled with the fruit of righteousness (Philippians 1:9-11) which, in turn, becomes our strength (Philippians 4:13).

because you

• have a little POWER, and

When there is little POWER, then the believer must TRUST God to provide a way (in His time). Paul recognized God's OPEN DOOR and timing in Ephesus (1 Corinthians 16:8-9). Paul always looked for the OPEN DOOR. (Colossians 4:2-4).

• have kept MY WORD, and

The pressures of daily living are great to dilute, compromise, (or worst) ignore the WORD of God. The Philadelphians KEPT the word .... how can you KEEP what you don't know or even take the time to read THE BIBLE (GOD'S WORD)! Don't be moved away from the hope of the Gospel (Colossians 1:21-23).

• have not denied MY NAME.

Jude 3-4 explains that certain persons will creep in unawares who turn the grace of God into licentiousness. You can always tell who these persons are because they deny the Lord Jesus Christ. Jesus, himself, says we are to deny ourselves NOT Him (Matthew 16:24-25).

THE BELIEVER'S PERSONAL LIFE
|—> Little self power
|—> Keeping the Word of God
|—> DO NOT deny Christ's name!