Four Freedoms... and a Lesson

I like this:

How to Teach Mathematics in Secondary Schools, Herbert Fremont Published June, 1969 "Four Freedoms" for the student of mathematics #mathchat

— Ralph Pantozzi (@mathillustrated) April 30, 2015

Here - thank you, Ralph Pantozzi, thank you Herbert Freemont - they are:

1. The freedom to make mistakes. 
2. The freedom to think for yourself.
3. The freedom to ask questions.
4. The freedom to choose a method of solution.

And have you seen Ralph Pantozzi's great (and prize-winning!) probability lesson?