Think and Grow Rich (Chapter-16 - The Devil S Workshop The Seventh Basic Evil) - Napoleon Hill In addition to the Six Basic Fears, there is another evil by which people suffer. It constitutes a rich soil in which the seeds of failure grow abundantly. It is so subtle that its presence often is not detected. This affliction cannot properly be classed as a fear. IT IS MORE DEEPLY SEATED AND MORE OFTEN FATAL THAN ALL OF THE SIX FEARS. For want of a better name, let us call this evil SUSCEPTIBILITY TO NEGATIVE INFLUENCES.