If you practice meditation you know how hard it can be to quiet your mind while sitting in silence. Our minds like to be busy--thinking back on things that have happened, thinking ahead to what awaits us, guessing, planning, judging, fretting--when our goal in meditation is to let go of all those thoughts so we can remain calm, mindful, and compassionate.
When our minds wander during meditation, we are encouraged to simply acknowledge the interruption and refocus on the body. When thoughts arise, we label them "just thoughts" or "just thinking" and move our attention back to the next breath--in, out, in, out. Letting go of intrusive thoughts helps mitigate the impact of negative emotions such as anger, anxiety, bitterness and resentment that may have a strangle hold on us.
This, I believe, is a practice we should all embrace.
The point is that those negative voices are just thoughts. Just echoes from the past, not worth arguing about. They are opinions, and they do not have your best interests in mind at all. Banish them! Return to the breath. Or take a walk. Or call up a friend--someone who encourages you and supports your dream. Someone who understands how hard this is and respects you for trying. Someone whose friendship isn't invested in your success or wealth or fame.
Do whatever it takes to stay on the optimistic side. Turn your attention back to the truth:
For more on writing and meditation visit my friend Madhu Wangu, at
http://www.madhubazazwangu.com/about-mindful-writing/ .
She's the expert.