It was narrated that 'Abdullah bin Shaqiq said: "I said to 'Aishah: “Which of the (Prophet's) Companions was most beloved to him?' She said: “Abu Bakr.' I said: “Then which of them?' She said: “'Umar.' I said: “Then which of them?' She said: “Abu 'Ubaidah””””””"
SahihSahihSahihBook 0 · Hadith 102