Ephesians 3:4

4 In reading this, then, you will be able to understand my insight into the mystery of Christ,

Read Ephesians 3:4 Using Other Translations

Whereby, when ye read, ye may understand my knowledge in the mystery of Christ)
When you read this, you can perceive my insight into the mystery of Christ,
As you read what I have written, you will understand my insight into this plan regarding Christ.