Sahih Bukhari

Narrated Jabir bin `Abdullah:A man among us begot a boy whom he named Al-Qasim. The people said (to him), ""We will not call you Abul-l-Qasim, nor will we please you by calling you so."" The man came to the Prophet (ﷺ) and mentioned that to him. The Prophet (ﷺ) said to him, ""Name your son `Abdur-Rahman