Umberto Eco is the owner of a large personal library of almost 30,000 books that he has not read. [To him] read books are far less valuable than unread ones.
Nassim Nicholas TalebMuscles without strength, friendship without trust, opinion without risk, change without aesthetics, age without values, food without nourishment, power without fairness, facts without rigor, degrees without erudition, militarism without fortitude, progress without civilization, complication without depth, fluency without content; these are the sins to remember.
Nassim Nicholas Taleb