The Long Āgama Sūtra 27.36

27.36

時，阿闍世王即前頭面禮佛足，於一面坐，而白佛言：「今欲有所問，若有閑暇，乃敢請問。」

King Ajātaśatru then went forward, bowed his head at the Buddha’s feet, and sat to one side. He said to the Buddha, “Now, I have a question I’d like to ask. If you have a moment, might I ask it?”