Anxiety is not a sign of sickness, a weakness of the mind, or an error for which we should always seek a medical solution. It is mostly a hugely reasonable and sensitive response to the genuine strangeness, terror, uncertainty, and riskiness of existence

Tiffany Shlain 24/6: The Power of Unplugging One Day a Week

John P. Forsyth The Mindfulness and Acceptance Workbook for Anxiety: A Guide to Breaking Free from Anxiety, Phobias, and Worry Using Acceptance and Commitment Therapy