“May the God of hope fill you with all joy and peace, as you trust in him, so that you may overflow with hope by the power of the Holy Spirit” (Romans 15:13).

The left side of blue colors on the floor were reflection of right hand side walls.

–Porto Cathedral – Sé do Porto

我們眾人以揭開的臉面反映主的光榮的，漸漸地光榮上加光榮，都變成了與主同樣的肖像，正如由主，即神在我們內所完成的。
2 Corinthians 3:18
https://www.ccreadbible.org/Chinese%20Bible/TwDouBible/2_Corinthians_bible_Ch_3_.html