Teaching to Change Lives

"Knowledge cannot be passed like a material substance from one mind to another, for thoughts are not objects which may be held and handled. . . . Ideas must be rethought, experience must be re-experienced." -- John Milton Gregory

This is the challenge in teaching, don't you think?  To get those to whom you are talking to actually THINK.  They must do the thinking in order for them to remember and in order for it to change them.  How do we get students to think?