"From childhood on we are conditioned to associate learning with tension, effort, concentration, study. I n essence, learning equals pain. The educational experience has been a painful one, and has capped the immense learning potential of each child. This is a tragedy." p 320 The Test of Courage: A biography of Michel Thomas.
Or go look on his website
Although, unless you have a lot of money, I would recommend borrowing his language learning material from your local library...his courses are really expensive, short though they are.