Sonia

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”
― Albert Einstein

“Goodbye," said the fox. "And now here is my secret, a very simple secret: It is only with the heart that one can see rightly; what is essential is invisible to the eye.”
― Antoine de Saint-Exupéry

“If you can't explain it to a six year old, you don't understand it yourself.”
― Albert Einstein

“Poirot," I said. "I have been thinking."
"An admirable exercise my friend. Continue it.”
― Agatha Christie, Peril at End House