Thinking, and thinking creatively, is a natural function. So what is it that gets in the way that stops this natural process from working? In a school system in which it is reputed that some teachers ask 90% of the questions and also answer a similar amount, there is a culture which doesn't promote this process.
By looking at the barriers to thinking and then creating ways of removing them we can then look to formulating a system where thinking skills become entwined and an integral part of the curriculum.