The "wall of separation between church and State" is a metaphor based on bad history.
William Rehnquist[I]f we assume a liberty interest but nevertheless say that, even assuming a liberty interest, a state can prohibit it entirely, that would be rather a conundrum.
William RehnquistAt the heart of the First Amendment is the recognition of the fundamental importance of the free flow of ideas and opinions on matters of public interest and concern. The freedom to speak one's mind is not only an aspect of individual liberty - and thus a good unto itself - but also is essential to the common quest for truth and the vitality of society as a whole. We have therefore been particularly vigilant to ensure that individual expressions of ideas remain free from governmentally imposed sanctions.
William RehnquistWhat many of those who oppose the use of juries in civil trials seem to ignore is that the founders of our Nation considered the right of trial by jury in civil cases an important bulwark against tyranny and corruption, a safeguard too precious to be left to the whim of the sovereign, or, it might be added, to that of the judiciary.
William Rehnquist