How To Boil A Frog Metaphor Or How Your Freedoms And Liberty Are Taken Little By Little

If you throw a frog into a pot of boiling water it will jump out, so says the meme.   

However, if you place a frog into a pot of room temperature water and slowly turn up the heat the frog will be boiled alive as it never realizes the temperature is rising.  

This is how freedom and liberty are lost over time. Little By Little.