A Christian understanding of keeping the Sabbath should involve rest, assembling together for worship and instruction and doing good works for the benefit of others.
God is telling us that he wants us to bring our concerns to him. He wants us to pray for, long for, a day of ultimate peace. He wants us to beg for the ultimate establishment of his kingdom.
The main point is that I don’t have to strive to achieve holiness; it is something that has already been granted to me. I don’t have to work to get holiness; I already have it by being in Christ. I had been working to get something that I already have.
Jesus’ yoke is easy and the burden light. If the burden is not light, if service is difficult, then I need to consider that the yoke is not Jesus’ yoke.
Jesus offers to provide rest to all who come to him. This post provides a brief look at Jesus’ offer of rest as recorded in Matthew 11:28.