Man

• Man is a social animal.
• Man is a thinking animal.
• Man is a working animal.

Energy

• Inner energy (“Inergy”, Chi, …)
• Outer energy

Retire versus Re-tire

• Some retire — inactively — as if waiting for Life’s sun set.
• Some re-tire (re-thread) — actively — to take on new challenges.
  One needs both inner and outer energy to re-tire.