Did Sigmund Freud really tell us what's on a man's mind?

Freud created theories concerning the human mind and the behaviour. He explains how to acces information buried in the subconcious or unconcious. A good example of the theory made by freud of the mind can be found in his topographycal model showing an iceberg.

Concious, above water

Sub-concious just below water

Unconcious bottow of the ice berg

Uknown what is outside iceberg