To know another person is to Know How to live and work with her. To know another person in a moral sense is to Know How to respect her... Respect must show in action.

Man wants to belong.He just doesn't know how.

Knowing how things work reduces the effort.This is the fundamental principle of technology.

Participating in the filling of others' brains with knowledge and know-how is just an extraordinary gift only very few have. Hence, teaching a language is indeed opening these brains to the world with its similarities and dissimilarities taught in different words.