isaiah 58:13 If thou turn away thy foot from the sabbath, from doing thy pleasure on my holy day; and call the sabbath a delight, the holy of the LORD, honourable; and shalt honour him, not doing thine own ways, nor finding thine own pleasure, nor speaking thine own words: - Free Bible Online

      13. (Isa 56:2; Ne 13:15-22). The Sabbath, even under the new dispensation, was to be obligatory (Isa 66:23).
      foot--the instrument of motion (compare Pr 4:27); men are not to travel for mere pleasure on the Sabbath (Ac 1:12). The Jews were forbidden to travel on it farther than the tabernacle or temple. If thou keep thy foot from going on thy own ways and "doing thy pleasure," &c. (Ex 20:10, 11).
      my holy day--God claims it as His day; to take it for our pleasure is to rob Him of His own. This is the very way in which the Sabbath is mostly broken; it is made a day of carnal pleasure instead of spiritual "delight."
      holy of the Lord--not the predicate, but the subject; "if thou call the holy (day) of Jehovah honorable"; if thou treat it as a day to be honored.
      him--or else, it, the Sabbath.
      not doing . . . own way--answering to, "turn away thy foot from the Sabbath."
      nor finding . . . pleasure--answering to, "doing thy pleasure." "To keep the Sabbath in an idle manner is the sabbath of oxen and asses; to pass it in a jovial manner is the sabbath of the golden calf, when the people sat down to eat and drink, and rose again to play; to keep it in surfeiting and wantonness is the sabbath of Satan, the devil's holiday" [BISHOP ANDREWES].
      nor speaking . . . words--answering to, "call Sabbath a delight . . . honorable." Man's "own words" would "call" it a "weariness"; it is the spiritual nature given from above which "calls it a delight" (Am 8:5; Mal 1:13).

JFB.