Philosophy = critical examination of fundamental concepts and beliefs

Concepts:	What we have (or can have) beliefs about
Beliefs:	What we think (or can think) to be true

Examples of Concepts:

money, dog, paper, sky, room, desk, person, telephone, ice

"Today is chilly."
"The Simpsons show is on the FOX network."
"People should not kill one another."
"My wife loves me."
"Arkansas is south of Missouri."
"'Yesterday' was written by Paul McCartney."