Begin challenging your assumptions. Your assumptions are the windows on the world. Scrub them off every once in awhile or the light won't come in.
“Among the natural rights of the colonists are these: First a right to life, secondly to liberty, and thirdly to property; together with the right to defend them in the best manner they can.”
“In the transmission of human culture, people always attempt to replicate, to pass on to the next generation the skills and values of the parents, but the attempt always fails because cultural transmission is geared to learning, not DNA.”