Related:

• You are secretive in your dealings but never to the extent of trickery .
• Your depth of comprehension may tend to make you lax in worldly ways.
• Man has a single basic choice: to think or not, and that is the gauge of his virtue.
  Moral perfection is an unbreached rationality -- not the degree of your intelligence, but the full and relentless use of your mind, not the extent of your knowledge, but the acceptance of reason as an absolute....
• Do not hover always on the surface of things, nor take up suddenly, with mere appearance
  but penetrate into the depth of matters, as far as your time and circumstances allow, especially in those things which relate to your profession....
• The mark of your ignorance is the depth of your belief in injustice and tragedy.
  What the caterpillar calls the end of the world, the master calls a butterfly....