Another preacher picks this text and has nothing to say about Paul’s things behind.

Philippians 3:13

Brethren, I count not myself to have apprehended: but this one thing I do, forgetting those things which are behind, and reaching forth unto those things which are before,

Paul was not writing about personal troubles: pain, failure, hurts, ingratitude, or unforgiveness.

Behind Paul, in his own recollection were:

• circumcision
• tribal pride
• ethnicity
• sectarian zeal
• resume of opposition to the truth

(from Philippians 3:5-6)