The first Commandment is divided in order to make two and arrive at the sacred number ten. (religion-online.org)
Seven (the sacred number) times the phrase of identification is reiterated — Moses did so - and - so, «as the LORD had commanded Moses» (verses 19, 21, 23, 25, 27, 29, 32). (religion-online.org)
It was something the Druid people very easily picked up because three was considered a sacred number in the Druidic religion. (relevantmagazine.com)