Life is composed of lights and shadows,and we would be untruthful,insincere,and saccharine if we tried to pretend there were no shadows.
The more we learn about black holes, the more we realize how much we still don’t know.
Pleasure is the greatest good, and we should seek it and avoid pain.
"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."