Yes its a part of Islamic culture: The following is mentioned in a Hadith in Tirmidhi which narrates that Rasoolullah said: "....Whereas, for [U]the individual who is on truth but abandons confrontation and argumentation [/U](He acknowledges that the opponent is not accepting, the time is being wasted and he is fears possibility of blameworthy morals to be be stirred in his nafs) a house will be constructed in the center of the Paradise....."