Charles H. Spurgeon on Psalms 119:165

Great peace have they which love thy law. Clearness of conscience is a help to comfortable thoughts. Yet observe, that peace is not so much effected as preserved by a good conscience and conversation; for though joy in the Holy Ghost will make its nest nowhere but in a holy soul, yet the blood of Christ only can speak peace; "being justified by faith, we have peace:" Romans 5:1. An exact life will not make, but keep conscience quiet; an easy shoe does not heal a sore foot, but it keeps a sound one from hurt. Walking with God according to gospel rules hath peace entailed upon it, and that peace is such a treasure, as thereby, a Christian may have his rejoicing from himself. Galatians 6:4, Galatians 6:16. His own heart sings him a merry tune, which the threats and reproaches of the world cannot silence. The treasure of comfort is not expended in affliction; death itself doth not exhaust but increase and advance it to an eternal triumph. O the excellency and necessity of it! Paul laid it up for a death-bed cordial: "Our rejoicing is this, the testimony of our conscience:" 2 Corinthians 1:12. And Hezekiah dares hold it up to God, as well as cheer up himself with it on approaching death. A conscience good in point of integrity will be good also in point of tranquillity: "The righteous are bold as a lion": they have great peace that love and keep God's commandments: Proverbs 28:1 Psalms 119:165. And saith the apostle, "If our heart condemn us not, then have we confidence towards God" (1 John 3:2), and I may add also, towards men. Oh! what comfort and solace hath a clear conscience! A conscientious man hath something within to answer accusations without; he hath such a rich treasure as will not fail in greatest straits and hazards. I shall conclude this with a notable saying of Bernard: "The pleasures of a good conscience are the Paradise of souls, the joy of angels, a garden of delights, a field of blessing, the temple of Solomon, the court of God, the habitation of the Holy Spirit." Oliver Heywood.