Ocupation: Philosopher
Life: December 28, 1902 - June 28, 2001
Birthday: December 28
Death: June 28
The person who says he knows what he thinks but cannot express it usually does not know what he thinks.
source: Mortimer J. Adler, Charles Van Doren (2014). “How to Read a Book: The Classic Guide to Intelligent Reading”, p.49, Simon and Schuster
topic: Thinking, Doe, Persons, Think Before You Speak, Thinking Ahead