I tend to think in a subtractive manner : “Do you doubt what you know?” Posted on March 28, 2017 by Kenneth Udut Leave a comment I tend to think in a subtractive manner : “Do you doubt what you know?” [responsivevoice_button voice="US English Male"] Leave a comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. 8 − three = Leave a Reply