A "classic" is a book that everybody praises but nobody has read

An enemy can partly ruin a man, but it takes a good-natured injudicious friend to complete the thing and make it perfect.

If the metrics you are looking at aren't useful in optimizing your strategy - stop looking at them.

I am not given to exaggeration, and when I say a thing I mean it.

A man's character may be learned from the adjectives which he habitually uses in conversation.

Medicine has made all its progress during the past fifty years. ... How many operations that are now in use were known fifty years ago?-they were not operations, they were executions.

The two most important days in your life are the day you are born and the day you find out why.