Jyestha is the rajasic (creative) aspect of Mercury, so it brings with it a clear intellect, clarity of expression and verbal communication. And, since Jyestha resides entirely within Mars-ruled Scorpio, this clarity of intellect is fueled by the dynamism of Mars which cuts through all obstacles to clear communication.
Mercury is the synthesizer which integrates disparate information into a coherent whole. Can you see how all of the individual circumstances of your life fit into a larger pattern?
A clear intellect helps us all destroy illusory beliefs that hold us bound in ignorance. ‘Ignorance’ means ignoring ones essential nature, the silent witness of Self that lies within. What beliefs do we have collectively and individually that keep us from the realization of our Infinite Self?