No, that is true, it isn't in the constitution, but it is the embodiment of the spirit of this country and covered in Amendment IX.
Amendment IX - Construction of Constitution. Ratified 12/15/1791.
The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people.
Amendment IX - Construction of Constitution. Ratified 12/15/1791.
The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people.