Sahih Muslim Book 4, Hadith Number 1882.

Chapter : Concerning the words of the Qur’an: “And when they see merchandise or sport, they break away to it, and leave thee standing’.

Abdullah b. Umar and Abu Huraira said that they heard Allah’s Messenger (way peace be upon him) say on the planks of his pulpit: People most cease to neglect the Friday prayer or Allah will seal their hearts and then they will be among the negligent.