The greatest obstacle to discovery The greatest obstacle to discovery is not ignorance – it is the illusion of knowledge. Daniel J. Boorstin Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Leave a Reply Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. Current ye@r * Leave this field empty This site uses Akismet to reduce spam. Learn how your comment data is processed.