Kaab bin Ujra reported,

While I was sitting in the mosque of the Messenger of Allah ﷺ, with our backs leaning against the qiblah wall of the mosque, we were a group of seven, four of our freedmen and three from our Arab kinsmen. The Messenger of Allah ﷺ came out to us after the noon prayer and approached until he reached us. He asked, "What has brought you to sit here?"We replied, "Messenger of Allah, we are waiting for the prayer."He fell silent for a moment, then raised his head and said, "Do you know what your Lord is saying?"We answered, "Allah and His Messenger know best."He said, "Your Lord says, 'Whoever performs the prayer at its proper time, maintains it diligently, and does not neglect it out of contempt for its right, has a covenant with Me that I will admit him into Paradise. But whoever does not pray at its proper time, does not maintain it, and neglects it out of contempt for its right, has no covenant with Me. If I wish, I will punish him, and if I wish, I will forgive him.'"

حدثنا هاشم حدثنا عيسى بن المسيب البجلي عن الشعبي

عن كعب بن عجرة قال

بينما أنا جالس في مسجد رسول الله ﷺ مسندي ظهورنا إلى قبلة مسجد رسول الله ﷺ سبعة رهط أربعة موالينا وثلاثة من عربنا إذ خرج إلينا رسول الله ﷺ صلاة الظهر حتى انتهى إلينا فقال ما يجلسكم هاهنا قلنا يا رسول الله ننتظر الصلاة قال فأرم قليلا ثم رفع رأسه فقال أتدرون ما يقول ربكم عز وجل قلنا الله ورسوله أعلم قال فإن ربكم عز وجل يقول من صلى الصلاة لوقتها وحافظ عليها ولم يضيعها استخفافا بحقها فله علي عهد أن أدخله الجنة ومن لم يصل لوقتها ولم يحافظ عليها وضيعها استخفافا بحقها فلا عهد له إن شئت عذبته وإن شئت غفرت له