Job 27:6
My righteousness I hold fast, and will not let it go: my heart shall not reproach me so long as I live.
Torrey's Topical Textbook—AKJV

Acts 24:16
And herein do I exercise myself, to have always a conscience void to offense toward God, and toward men.
Torrey's Topical Textbook—AKJV

Romans 9:1
I say the truth in Christ, I lie not, my conscience also bearing me witness in the Holy Ghost,
Torrey's Topical Textbook—AKJV

Romans 14:22
Have you faith? have it to yourself before God. Happy is he that comdemns not himself in that thing which he allows.
Torrey's Topical Textbook—AKJV