Rabbi Sacks also quotes Rashi, but he addresses the issue of Shabbat and its inclusion in the instructions for the Shalosh Regalim. Rashi explains that this is to emphasize the holiness of the festivals by comparing them to Shabbat.
Rabbi Ruditsky quotes Rashi, who stipulates that the Levitical text addressing methods of execution for specific crimes is not to advocate the execution, but to underscore the difference between the holy and the secular.
Rabbi Sacks also quotes Rashi, but he addresses the issue of Shabbat and its inclusion in the instructions for the Shalosh Regalim. Rashi explains that this is to emphasize the holiness of the festivals by comparing them to Shabbat.