Related:

• When the mind is thinking, it is talking to itself.
• Since when is talking a sign of thinking?
• There are no dangerous thoughts; thinking itself is dangerous.
• Plato affirmed that the soul was immortal and clothed in many bodies successively.
  -- Diogenes Laertius (c. 200 AD) -- Plato, xl...
• It must be so,--Plato, thou reasonest well! Else whence this pleasing hope, this fond desire, This longing after immortality?
  Or whence this secret dread and inward horror Of falling into naught?...
• Astronomy compels the soul to look upwards and leads us from this world to another.
  -- Plato, The Republic. Book VII. 529...
• Faith is the soul going out of itself for all its wants. -- Bosto
• How can you prove whether at this moment we are sleeping, and all our thoughts are a dream
  or whether we are awake, and talking to one another in the waking state? -- Plato...
• Plato says, "'T is to no purpose for a sober man to knock at the door of the Muse
  and Aristotle says "that no excellent soul is exempt from a mixture of folly....