One of my favorite quotes is by Thurgood Marshall, a former U.S. Supreme Court Justice and civil rights attorney:
“Nor do I find the wisdom, foresight and sense of justice exhibited by the Framers particularly profound. To the contrary, the government they devised was defective from the start, requiring several amendments, a civil war and momentous social transformation to attain the system of constitutional government, and its respect for the individual freedoms and human rights, we hold as fundamental today.” ...