Six in the fourth place means:
The dark element opens when it moves and closes when at rest. The strictest reticence is indicated here. The time is dangerous , because any degree of prominence leads either to the enmity of irresistible antagonists if one challenges them or to misconceived recognition if one is complaisant. Therefore a man ought to maintain reserve, be it in solitude or in the turmoil of the world, for there too he can hide himself so well that no one knows him.