“But without faith it is impossible to please Him, for he who comes to God must believe that He is, and that He is a rewarder of those who diligently seek Him.” Hebrews 11:6 NKJV
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It’s recorded that the apostle Paul received a vision—of a man putting forth a request, that Paul should come over to Macedonia, so that the people there could be blessed.
So Paul, and those with him, pursued the vision, setting sail on the Aegean Sea–landing at Neapolis, they went to Philippi, a leading city of Macedonia in which to be.
On the Sabbath, they went out to a riverside, where some women were who customarily prayed. Prayer and worship were woven as fabric in Lydia’s life, while selling fabrics of purple was her trade.
She listened to that which Paul spoke to them about Jesus Christ being the Lord—then took heed in her heart that it was through Jesus, that true relationship with God is restored.
Embracing what Paul said, she went from reverencing God to knowing Him in a personal way. God had opened her heart to respond to the good news, just as anyone can do today.
Then she and her entire household were baptized, representing their being washed from sin. With joy, she invited the missionaries to her home to stay, prevailing upon them to come in.
This woman, Lydia, who sold fabric of a royal color, had found peace at the riverside that day. Through the Prince of Peace, her Lord, Jesus Christ, she’d been welcomed into His royal family to stay.
P. A. Oltrogge

But you are a chosen generation, a royal priesthood, a holy nation, His own special people, that you may proclaim the praises of Him who called you out of darkness into His marvelous light.” 1 Peter 2:9
A reference to baptism by Peter in Acts 2:38-39: “…Repent, and let each of you be baptized in the name of Jesus Christ for the forgiveness of your sins; and you shall receive the gift of the Holy Spirit. For the promise is for you and your children, and for all who are far off, as many as the Lord our God shall call to Himself.”
“For a child will be born to us, a son will be given to us; and the government will rest on His shoulders; and His name will be called Wonderful Counselor, Mighty God, Eternal Father, Prince of Peace..” Isaiah 9:6
(The poetic account is based on Acts 16:9-15 about Lydia from Thyatira)
Some references to purple’s use in the Bible:
“Moreover you shall make the tabernacle with ten curtains of fine twisted linen and blue and purple and scarlet material; you shall make them with cherubim, the work of a skillful workman.” Exodus 26:1 (for the Tabernacle)
“And now send me a skilled man to work in gold, silver, brass and iron, and in purple, crimson, and violet fabrics, and who knows how to make engravings, to work with the skilled men whom I have in Judah and Jerusalem, whom David my father provided.” 2 Chronicles 2:7 (for Solomon’s Temple)