The first thought that surfaced was 'master of your own destiny'. Polarity helps you to ground, clarifying your thoughts and connecting the powers of the mind to the earth. Or: it gives you power to act and helps you to actually take the steps to realize your plans. Not just thinking, but acting on it as well.
Your sense of reality is enhanced, like a veil lifted from your eyes, you no longer shut them for reality.
Polarity also transforms negative energy, your own included, into the earth it goes. This makes it easier to let go and helps you to feel balanced. This balance helps you to stay close to your own feelings so you are less influenced by the feelings of others, or maybe not at all. Energetically this essence lifts you to the level where you belong, which is part of the reason why you are less prone to influences from others.
Polarity balances opposites, helps you to unite the white and the black. If you feel balanced, for instance because your thoughts keep going in circles and you can't keep up with them, then test if this essence can help you.