Hadhrat Miswar bin Makhrama (Radhiallahu Anhu) reports that when Hadhrat Umar (Radhiallahu Anhu) was stabbed, (apart from the pain of the wound) he began to grieve and became extremely worried about the ummah.
Hadhrat ibn Abbaas (Radhiallahu Anhuma) comforted him saying: “O Ameerul Mu’mineen! There is no need for you to grieve. You remained in the company of Rasulullah (Sallallahu Alaihi Wasallam) and you fulfilled the rights of the companionship. Then Rasulullah (Sallallahu Alaihi Wasallam) departed from this temporary abode in the condition that he was pleased with you. You then remained in the company of Hadhrat Abu Bakr Siddeeq (Radhiallahu Anhu) and you honoured this relationship. Hadhrat Abu Bakr Siddeeq (Radhiallahu Anhu) thereafter left the world while he was happy with you. You then remained among the Muslims (as Ameerul Mu’mineen) and you fulfilled the rights of the Ummah. If you pass away and separate from them, then certainly you will be parting from them in the condition that they are pleased with you.
Hadhrat Umar (Radhiallahu Anhu) replied: “As for what you mentioned regarding the companionship of Rasulullah (Sallallahu Alaihi Wasallam) and his being pleased with me, then (this is nothing of my own achievement instead) this is a great bounty and favour from the side of Allah Ta’ala which He has bestowed upon me. With regards to the companionship of Hadhrat Abu Bakr Siddeeq (Radhiallahu Anhu) and his being pleased with me, then this is also a bounty from the side of Allah Ta’ala which he bestowed upon me. As for this worry and grief that you find me in, this is on account of the concern for yourself and the rest of the Muslim ummah. I take a qasm on Allah Ta’ala, if only I had gold equivalent to the size of the world in my possession, I would use it to ransom myself from the punishment of Allah Ta’ala before I stand up before Him and meet Him. (Despite him being given the glad tidings of Jannat in this world by Rasulullah (Sallallahu Alaihi Wasallam), this was the extent of his fear at the time of death). 
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