Done Quote by Maria Montessori
“The teacher’s first duty is to watch over the environment, and this takes precedence over all the rest. It’s influence is indirect, but unless it be well done there will be no effective and permanent results of any kind, physical, intellectual or spiritual.”
![“I've used the Phoenix Centrifuge to replicate what the body's going to go through on the flight up. I've also done some gravity tests with ZERO-G [a charter-flight service in Arlington, Va., that uses modified Boeing 727s to simulate weightlessness], which went great.” quote by Richard Branson](https://sms4smile.com/quotes/img-quotes/aa1/richard-branson-256_adventure_i-ve-used-the-phoenix-centrifuge-to-repl_903.jpg)
