The principle is not to impose on others what you do not desire for yourself, thus she went around the matter, enlightening Xiao Linzi with righteousness, making him feel that memorizing poetry was indeed necessary, and getting him to willingly accept it without resistance.
Of course, she could have commanded Xiao Linzi to memorize, but as a good master, she was fully aware of the pain of rote learning and thus wanted to dispel his aversion. If he did not resist, or better yet liked it, perhaps memorizing would become a bit easier.
Having settled the matter, Lian Hua felt refreshed. When she turned around, she saw several pairs of eyes staring at her, their expressions a mixture of amusement and curiosity.
Nanny Qi looked amused, her eyes seeming to see right through the situation.
Pang Ya was somewhat confused, although memorizing an entire Book of Poetry did seem a bit much...