It wasnarrated that Abu Ayyub said:
"A man came to the Prophet (ﷺ)andsaid: 'O Messenger of Allah, teach me but make it concise.' Hesaid: 'When you stand to pray, pray like a man bidding farewell. Donot say anything for which you will have to apologize. And give uphope for what other people have.'" (RU)
English reference (RU): Vol. 5, Book 37, Hadith 4171 (RU)
Arabic reference (RU): Book 37, Hadith 4310 (RU)