Can you find the hidden message inside the following square?

Each letter or symbol (period) will be used exactly once.



Hint: 8 Franklin Square in The Lost Symbol.

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Solution to the Problem:

The decoded message is:

IT IS NOT ENOUGH TO HAVE A GOOD MIND. THE MAIN THING IS TO USE IT WELL. DESCARTES

The hint referred to Ben Franklin's order 8 Magic Square which was used to solve a mystery in Dan Brown's book The Lost Symbol.
Here is Ben Franklin's Magic Square along side the coded message:

 

Match up the numbers in Franklin's Magic Square with the letters in the coded square to get the message:
1   :   I
2   :   T
3   :   I
4   :   S
5   :   N
6   :   O
7   :   T
8   :   E
:
:


Correctly solved by:

1. Colin (Yowie) Bowey Beechworth, Victoria, Australia
2. Veena Mg Bangalore, Karnataka, India
3. Angelica Mosher Mountain View High School,
Mountain View, Wyoming
4. Holly Hamblin Mountain View High School,
Mountain View, Wyoming
5. Aubrie Winkler Mountain View High School,
Mountain View, Wyoming
6. Joshua Cushing Mountain View High School,
Mountain View, Wyoming
7. Maddi Aimone Mountain View High School,
Mountain View, Wyoming
8. Taylor Balding Redlands Middle School,
Grand Junction, Colorado
9. Kadin Holloway Mountain View High School,
Mountain View, Wyoming
10. Ivy Joseph Pune, Maharashtra, India
11. Lindsay Gammon Redlands Middle School,
Grand Junction, Colorado