Eleanor Duckworth: The more intensely interested a teacher is in a student’s thinking, the more interested the student becomes in his or her own thinking.
Corollary: The more a teacher just wants to see right answers, the less interested students become in their (or any) thinking.
For more, read Duckworth's marvelous essay collection "The Having of Wonderful Ideas & Other Essays" (https://www.tcpress.com/the-having-of-wonderful-ideas-and-other-essays-on-teaching-and-learning-3rd-edition-9780807747308) and, for a teaser, watch this 18-minute talk of hers: https://www.youtube.com/watch?v=1sfgenKusQk