Sharpen the Saw

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Across
  1. 2. the central or innermost part of something.
  2. 4. activity requiring physical effort, carried out to sustain or improve health and fitness.
  3. 5. the physical structure of a person.
  4. 6. even distribution of weight enabling someone or something to remain upright and steady.
  5. 8. the repair of something that is worn out, run down, or broken.
  6. 9. the spiritual or immaterial part of a human being or animal, regarded as immortal.
Down
  1. 1. keeping your personal self sharp.
  2. 3. the process of receiving or giving systematic instruction, especially at a school or university.
  3. 5. The organ inside the head that controls all body functions of a human being.
  4. 7. A method of what to do when you need help to quit something.