You cannot pray at home as at church, where there is a great multitude, where exclamations are cried out to God as from one great heart, and where there is something more: the union of minds, the accord of souls, the bond of charity, the prayers of the priests. 116

Catechism number 2184

Just as God "rested on the seventh day from all his work which he had done,"121 human life has a rhythm of work and rest. the institution of the Lord's Day helps everyone enjoy adequate rest and leisure to cultivate their familial, cultural, social, and religious lives.122

Official source ↗