One is by deliberately tearing it down. The other is by neglect, willful or otherwise. In time, rust, lack of paint, warping, or termites cause disintegration. Another preservative is confidence. Cynicism is a termite.
Negativism is fatal.
The old saying that eternal vigilance is the price of liberty is not just a cliche. Vigilance is not watching our enemies from without but our weaknesses from within. Dr. Martin Luther King saw the devastating power of hate when he said, Like an unchecked cancer, hate corrodes the personality and eats away its vital unity. Hate destroys a man s sense of values and his objectivity. It causes him to describe the beautiful as ugly and the ugly as beautiful, and to confuse the true with the false and the false with the true.