All premises, even if they are accepted as truthful, should still be challenged on a regular basis. Just because a truth may be valid for one instance does not mean that it always will be.

Here is an excerpt from On Liberty by John Stuart Mills:

1. If an opinion contains truth and the opinion is silenced, the truth is lost.

2. Even if there is only a particle of truth in a wrong opinion, the truth is still lost if the opinion is silenced.

3. Even if a popular accepted opinion is the truth, people will hold onto that truth as a mere More >