(His book The Decisive word on sects, heterodoxies and denominations is)The first of its genre, and it is surprising that it was written in the 11th … - Ibn Hazm

Also be aware that many men eager for science, read, study, and research with application, but derive no fruit. The man of science must realize that if application alone was enough, many other men would be superior to him. Science, thus, is certainly a gift from the Highest. What place is left for pride, thus? We can only accept in humility, and give thanks to God, asking him to increase his bounty, and beg him not to deprive us of it.

If you attended (a study session) strictly adopt three attitudes; there is no fourth. First: You can lock yourself in the silence of ignorance. Second: If you do not behave as such, ask for the questions a man seeking to learn asks…. This man will ask only about what he does not know, not about what he knows. Asking about matters one knows is making proof of ineptitude; this is only ranting, waste of time for everyone…. If the person you are questioning does not give satisfactory answers, stop questioning… Third: You can answer like a scientist, refuting clearly the other’s arguments. If you are not capable of that, do not insist….”

Whoever harms his kinship and his neighbors is worse than them. Whosoever returns ill that he receives from them is like them. Whosoever does not return ill done to him is the master, the best and most virtuous amongst all.