Talha bin Yahya bin Talha طلحة بن يحيى بن طلحة · The Book of the Sunnah

"The Messenger of Allah said: 'Abu Bakr and 'Umar are the leaders of the mature people of Paradise, and the first and the last, except for the Prophets and Messengers, but do not tell them about that, O 'Ali, as long as they are still alive.'"