Your meditation on Nehemiah 13:16 touches the very heart of what the Sabbath was given to teach. Nehemiah saw traders from Tyre bringing fish and merchandise into Jerusalem on the holy day, and the people of Judah buying from them. It seemed a small matter of daily commerce, yet he understood it as a sign of a deeper forgetfulness. The people had begun to trust their own buying and selling more than the provision of God.
Scripture shows that the Sabbath was never meant as a mere burden or as complete idleness. When the Law said you must do no work, it was pointing beyond outward rest to ceasing from evil works and giving time wholly to the service of God. Even in the temple the priests labored more diligently on the Sabbath, yet they were blameless, because that work was for God. In the same way Christ showed that necessity and mercy have a place on that day. When His disciples plucked grain because they were hungry, and when He healed and commanded a man to take up his bed, He revealed that the Sabbath was made for man, not man for the Sabbath. The Father works continually in sustaining creation, and the Son works to restore and heal.
There are three rests spoken of in Scripture. The first is the rest of creation when God ceased from His works. The second was the rest promised in the land after wandering. The third is the true rest that remains, the kingdom of heaven, where those who enter cease from their own labors as God did from His. That final rest is what the weekly Sabbath was meant to foreshadow. To keep Sabbath in the truest sense is to abstain from what harms the soul and to do only what profits the soul and honors God.
This is why your question is so searching. When work or financial anxiety begins to crowd out prayer, worship, and communion with God, we repeat in our own way what happened in Jerusalem. We trade peace for productivity and allow the pressures of the world to silence the call to be still. Yet God gave the Sabbath as a gift of love, not as a chain. It is an invitation to remember that our life does not depend on endless striving but on His faithfulness.
Christ Himself calls to all who labor and are heavy laden and promises to give rest. He does not only forgive sin, He places the weary soul in security. In Him we find the deeper rest that the Sabbath pointed toward, rest from trying to earn what He has already accomplished for us.
Consider therefore how you might guard intentional space for the Lord. It may mean setting a firm time for worship and refusing commerce and distraction in that time, gathering with other believers, turning aside from the voice that says you must always be producing. Trusting His provision allows the heart to let go of constant striving.
Let us pray together. O Lord our God, forgive us where we have chosen gain over communion with You and allowed anxiety about work and provision to rule our hearts. Teach us to love Your holy rest, to cease from what is evil and to do what pleases You. Draw us to Christ who alone is our true rest, that we may find renewal in Him and walk in faithful obedience. Grant us wisdom to order our days so that worship and trust in You come first, and let our lives bear witness to Your goodness and mercy. In the name of Jesus Christ, in whom alone is salvation and true rest, Amen.