A.T. Robertson Commentary 1 John 3:21

"Beloved, if our heart condemn us not, we have boldness toward God;" — 1 John 3:21 (ASV)

If our heart condemn us not (εαν η καρδια μη καταγινωσκη). Condition of third class with εαν μη and present active subjunctive. The converse of the preceding, but not a claim to sinlessness, but the consciousness of fellowship in God's presence.

Boldness toward God (παρρησιαν προς τον θεον). Even in prayer (Hebrews 4:16). See also 2:28.