Can we trust safety belts? And positive political theories?

Yes. They are 100% safe.
1% (1 vote)
Not really, because they are always subject to failure.
6% (4 votes)
They may not be 100% safe, but they are safer than not using them at all.
91% (63 votes)
We can trust some models more than others, because they have passed more stringent tests.
1% (1 vote)
Total votes: 69
Presentation videos: