Seerah.Net

The Messenger (sallallahu `alayhi wa sallam) clearly stated that ten of his Companions would be in Paradise:

"Abu Bakr will be in Paradise, 'Umar will be in Paradise, 'Uthmaan will be in Paradise, 'Ali will be in Paradise, Talhah will be in Paradise, az-Zubayr will be in Paradise, 'Abdur-Rahmaan ibn 'Awf will be in Paradise, Sa'd ibn Abi Waqqaas will be in Paradise, Sa'eed ibn Zayd will be in Paradise and Abu 'Ubaydah ibn al-Jarraah will be in Paradise." [sahih, Ahmad from Sa'eed ibn Zayd, at-Tirmidhi from 'Abdur-Rahmaan ibn 'Awf, Saheeh al-Jaami' as-Sagheer, 1/70, no. 50]

"Ten will be in Paradise: the Prophet will be in Paradise. Abu Bakr will be in Paradise, 'Umar will be in Paradise, 'Uthmaan will be in Paradise, 'Ali will be in Paradise, Talhah will be in Paradise, az-Zubayr ibn al-Awwaam will be in Paradise, 'Sa'd ibn Maalik will be in Paradise, Abdur-Rahmaan ibn 'Awf will be in Paradise, and Sa'eed ibn Zayd will be in Paradise." [sahih, Ahmad, Abu Dawood, Ibn Maajah, ad-Diyaa, from Sa'eed ibn Zayd Saheeh al-Jaami as-Sagheer, 4/34, no. 3905]