Related:

• Common sense is the most evenly distributed quantity in the world.
  Everyone thinks he has enough. -- Descartes, 1637...
• Everybody thinks himself so well supplied with common sense that even those most difficult to please.
  . . never desire more of it than they already have. -- Rene Descarte...
• The angry man always thinks he can do more than he can. -- Albertano of Brescia
• There is no man living that can not do more than he thinks he can. Henry Ford
• Success is more a function of consistent common sense than it is of genius. -- An Wang
• A censor is a man who knows more than he thinks you ought to. -- Granville Hicks (1901-1982)
• A liberal: someone who thinks he knows more about your experience than you do. -- James Baldwi
• War is an ugly thing, but not the ugliest of things.
  The decayed and degraded state of moral and patriotic feeling which thinks that Nothing is worth war is much worse....