Counterintuitive actions prove we can trust real knowledge and do the opposite of what we feel makes sense.
Penn JilletteThe best way to fight the terrorists is to have the freest country on earth. You should be able to get on an airplane, and people - that will not possibly happen again.
Penn JilletteIf every trace of any single religion were wiped out and nothing were passed on, it would never be created exactly that way again. There might be some other nonsense in its place, but not that exact nonsense. If all of science were wiped out, it would still be true and someone would find a way to figure it all out again.
Penn Jillette