al-Dahhak bin 'Uthman bin 'Abdullah الضحاك بن عثمان بن عبد الله بن خالد · Chapters on Knowledge

"We went to Abu Sa'eed and he said: 'Welcome with the exhortation of the Messenger of Allah (ﷺ). Indeed the Prophet (ﷺ) said: "Surely, the people are followers of you, and men will certainly come to you from the regions of the earth to gain understanding in the religion. So when they come to you exhort them with good."