Related:

• There are unguarded entrances to any human mind.
• Peace is not a relationship of nations. It is a condition of mind brought about by a serenity of soul.
  Peace is not merely the absence of war. It is also a state of mind....
• Wilderness begins in the human mind. -- Edward Abbey
• It is one of the superstitions of the human mind to have imagined that virginity could be a virtue.
  -- Voltaire...
• My mind prances in wilderness yet untamed by human conception.
• To downgrade the human mind is bad theology. -- Gilbert K. Chesterton (1874-1936)