Abd al-Rahman bin Muhammad bin Zayd bin Jud'an narrates from his grandmother, who narrates from Abu al-Haytham bin al-Tayyihan (may Allah be pleased with him), that the Prophet (peace and blessings be upon him) said: "The one whose counsel is sought is entrusted."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 16622
It is narrated from Sayyiduna Malik bin al-Tayyihan (may Allah be pleased with him) that he said: The Messenger of Allah (peace and blessings be upon him) said: "Whoever says (only) 'As-salamu alaykum' (peace be upon you), ten good deeds are written for him; whoever says 'As-salamu alaykum wa rahmatullah' (peace be upon you and the mercy of Allah), twenty good deeds are written for him; and whoever says 'As-salamu alaykum wa rahmatullahi wa barakatuh' (peace be upon you and the mercy of Allah and His blessings), fifty good deeds are written for him."
Hadith Referenceالمعجم الكبير للطبراني / باب الميم / 16623