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What is conservatism? Is it not adherence to the old and tried against the new and untried?
Abraham Lincoln, 16th US President
Men and women tend not to believe in new things until they have experience of them. Therefore why not suggest an experiment? If something is tried and tested, so that it can be matched against the present state, then it is much more likely to be accepted.
Remember that experimenting involves only a limited commitment. People are usually much more comfortable with that. An experiment is only worth conducting, however, if there will be a fair and comprehensive review of the results. That does not preclude hard debate, for results are often open to several interpretations and it is important to arrive at the truth of the matter.