During discussions of Yom Kippur several years ago, an argument was presented that nowhere does the Scripture indicate that fasting is a requirement of Yom Kippur. This struck me as an odd thing, even dangerous. I had not even heard such a thing before. I didn’t know that there was any debate over this issue among observant Jews. I knew that some Reformed Jews would casually work and not fast on Yom Kippur, but was not aware that there were other groups in the Jewish community that did not believe that fasting was a requirement of Yom Kippur.
Certainly the idea of fasting on Yom Kippur is an age old “tradition” among the more observant of both Jews and some Gentiles. There are even some “Christian” groups that fast on this day. Some groups fast on a regular basis, either for health or spiritual benefit, multiple times a year – even weekly.
The instructions in question for Yom Kippur are in the following texts: