Americans are optimists. They hope they'll be wealthy someday - and they're positive they can get one more brushful of paint out of an empty can.

This is very positive for millions of Americans.

The ability to observe what happens to electronic energy in DNA on such short time scales also extends the hope that methods such as ours can finally determine how DNA is damaged by UV light in the first place.

NOTHING IS STRONGER THAN THE RESILIENCE OF THE HUMAN SPIRIT. (found in an ad at Goodreads, but similar to the following quote by Bern Williams) : Man never made any material as resilient as the human spirit.

An extravagance is something that your spirit thinks is a necessity.

Sooner or later we all quote our mothers.