Muhammad bin Fadayl bin Ghazwan محمد بن فضيل بن غزوان · Chapters on Knowledge

that the Messenger of Allah (ﷺ) said: "Whoever goes out seeking knowledge, then he is in Allah's cause until he returns."

that the Messenger of Allah (ﷺ) said: "No soul is wrongfully taken except that some of the burden of its blood is upon the son of Adam, because he was the first to institute murder."