Hadith 1641
Narrated from Ka'b bin Malik (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The souls of the martyrs are in the form of green birds in Paradise, eating from its fruits or grazing among its trees." © Imam Tirmidhi says: This hadith is hasan sahih.
Hadith 2376
´Ibn Ka'b bin Malik Al-Ansari narrated from his father, that the Messenger of Allah (s.a.w) said:` "Two wolves free among sheep are no more destructive to them than a man's desire for wealth and honor is to his religion."
Hadith 2654
´Narrated Ibn Ka'b bin Malik:` from his father that he heard the Messenger of Allah (ﷺ) saying: "Whoever seeks knowledge to contend with the scholars, or to use it to argue with the fools, and to have people's faces turn towards him, then he shall be admitted to the Fire."