While things that are useful enough to exist throughout time are usually true/it’s generally a great filter, I think “efficacy” and “consistency with observatio

While things that are useful enough to exist throughout time are usually true/it’s generally a great filter, I think “efficacy” and “consistency with observations and experience across time” are better descriptors of what you’re getting at. If you aren’t paying attention to efficacy or consistency when propagating knowledge, time can just as easily solidify untruths and cause truths to decay and be forgotten.