It is narrated from Sayyiduna Zayd bin Arqam (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Whoever says 'La ilaha illallah' (There is no deity but Allah) with sincerity of heart will enter Paradise." And the Messenger of Allah (peace and blessings be upon him) also said: "Its sincerity means that it holds him back from the things that Allah has made unlawful for him."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5055
It is narrated from Sayyiduna Zayd bin Arqam (may Allah be pleased with him); he said: The Companions said: "O Messenger of Allah, what are these sacrifices?" He said: "The Sunnah of your father Ibrahim (peace be upon him)." They said: "What reward is there for us in them?" He said: "For every hair, a good deed." They said: "And what about the wool?" He said: "For every hair of it too, a good deed."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5056
It is narrated from Sayyiduna Zayd bin Arqam (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "Do not assign My sinful servants who know Me and affirm My Oneness to Paradise or to Hell, until I Myself assign them their abode according to My knowledge of them. And do not burden yourselves in this matter with what you have not been charged with, and do not take the servants to account in place of their Lord."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5057
It is narrated from Sayyiduna Zayd bin Arqam (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "Allah, the Mighty and Majestic, is with the judge as long as he does not deliberately commit injustice; Allah keeps guiding him towards good as long as he does not want something other than it."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 5058