Before enlightenment - chop wood, carry water. After enlightenment - chop wood, carry water.
- Zen Buddhist Proverb
What is enlightenment? In a nutshell it was "a philosophical movement of the 18th century, characterized by belief in the power of human reason and by innovations in political, religious, and educational doctrine". - Dictionary.com
I think that what the proverb is telling us is that whether or not we have attained an enlightened state per the above definition, the basic human needs remain the same.