Complex sentence: The courts have been willing to uphold the spirit of the Constitution by recognizing fundamental constitutional principles not expressly mentioned in the written Constitution which underlie the Constitution and form the theoretical basis of constitutionalism, its goal being to achieve limited government.
Split into simpler sentences: The courts have been willing to uphold the spirit of the Constitution by recognizing fundamental constitutional principles that are not expressly mentioned in the written Constitution. Some of these principles underlie the Constitution and form the theoretical basis of constitutionalism, its goal being to achieve a limited government.