Great errors seldom originate but with men of great

Related:

• Great minds run in great
  circles...
• Great minds always meet at
  infinity...
• Great minds travel in the same
  sewers...
• Great minds discuss ideas.
  Small minds discuss people...
• Little minds are interested in the extraordinary; great minds in the commonplace.
  Elbert...
• Great spirits have always encountered violent opposition
  from mediocre minds...
• A great many open minds should be closed for repairs.
  Toledo...