Three festive meals was the standard and tithing was on the same day .not two unknown days The twice a week destroys the doctrine . The words are not twice a
week . The word week was not even used when the gospel was inspired But on the sabbath one day he bragged he ate two meals prepared the day before. . The word week was added to try a preserve those who make the ceremony into a works righteous as some sort of self-edifying sign : (I did it)
Man does not live on bread alone. The "true fast" is not dietary instruction. . Watch those calories ? Or the idea there is some sort of spiritual advantage in not eating. Starving is not a advantage but just the opposite eating is.
There is nothing that would indicate only one meal on the sabbath. Fasting is much more than restricting food intake. Not eating something does not cast out lying spirits . (Just less trips to the latrine.)
A person must begin with the foundation. (Exodus 16) It begins with men murmuring desiring to go back in bondage working 7 days a week and eating the food they were familiar with.
God set up the fast to help men recognize first and foremost the daily sabbath (today) we experience when we do hear his voice and harden not our heart .This show us it is God working in us to both will and empower us to do the God works he prepares for us.
One day of the week a rest by which we can offer the gospel to a neighbor .(prayer, the will and fasting, eating shares our goods with others ) Its the kind of food the disciples knew not of . . . called manna .(What is it) The bread or will of unfamiliarity .It prevents luke-warmness .
Numbers 15:33 And they that found him gathering sticks brought him unto Moses and Aaron, and unto all the congregation.
Its why the person was stoned. He violated the instruction of baking the manna on the previous day, to be shared the following the day set aside when the gospel could do its work.