Psalm 118:24
This is the day which the LORD has made; we will rejoice and be glad in it.
Torrey's Topical Textbook—AKJV

Isaiah 58:13
If you turn away your foot from the sabbath, from doing your pleasure on my holy day; and call the sabbath a delight, the holy of the LORD, honorable; and shall honor him, not doing your own ways, nor finding your own pleasure, nor speaking your own words:
Torrey's Topical Textbook—AKJV