Privacy and your email

Brotherhood of Purpose is operated by Robert W. Linn. Contact: robertwlinn@gmail.com.

Daily Light signup

The form sends your email address and optional first name to Kit, our email provider. You must confirm by email before joining. The list is used for Daily Light reflections, launch updates and occasional mentions of books or lodge guides. Unsubscribe using the link in an email, or contact Rob for help or a request about your data.

Daily Light is separate from Square Thoughts on Substack. Buying a product does not sign you up for either series.

Purchases

Gumroad handles direct digital purchases, checkout and download delivery. Amazon handles purchases made there. Payment information is entered with those services, not into this website.

Other services

This website uses Google Fonts and Kit’s signup script. These services may receive standard browser connection information when they load. Links to Amazon, Gumroad and Substack take you to their websites and their privacy policies.

Kit privacy policy · Gumroad privacy policy · Google privacy policy

Updated October 13, 2026.