It is necessary to keep the former experiences of our country both at home and abroad… — Calvin Coolidge

It is necessary to keep the former experiences of our country both at home and abroad continually before us, if we are to have any science of government. If we wish to erect new structures, we must have a definite knowledge of the old foundations. We must realize that human nature is about the most constant thing in the universe and that the essentials of human relationship do not change. We must frequently take our bearings from these fixed stars of our political firmament if we expect to hold a true course. If we examine carefully what we have done, we can determine the more accurately what we can do.