Who is intelligent?
Great saint Narad ji says,
“Intelligence lies in getting something that is boundless, unlimited from the limited resources you have, from the limited life time you have.”
This is where you win over your limitations. Otherwise death puts an end to whatever free talk you make or whatever free will you have or whatever limit of wealth, fame… you have acquired.
In other words sanity lies in breaking the cage by making use of cage itself!
You are there is the cage of death. Some day or other death will approach you. So, while living in that cage if you can cross the limitation of death you are really intelligent else death turns out to be more intelligent than you!