When the supreme faculties move regularly, the inferior passions and affections following, there arises a serenity and complacency upon the whole soul, infinitely beyond the greatest bodily pleasures, the highest quintessence and elixir of worldly delights.
What is called by the poets apathy or dispassion, by the sceptics indisturbance, by the Molinists quietism, by common men peace of conscience, seems all to mean but great tranquillity of mind.