Related:

• Learning without thought is labor lost; thought without learning is perilous. -- Confuciu
• Study without though is useless. Thought without learning is dangerous. -- Confucius, The Analec
• Abortion: Loves Labor Lo
• Life without learning is death. -- Cicero
• Lost and confused and without a sig.
• A man is not idle because he is absorbed in thought.
  There is a visible labor and there is an invisible labor. Victor Hugo...
• It is only by labor that thought can be made healthy, and only by thought that labor can be made happy
  and the two cannot be seperated with impunity. -- Ruski...
• Better a diamond with a flaw than a pebble without. -- Confucius, Analec