The most up-to-date knowledge
Science is in constant progress. This means that today knowledge is more advanced than those of yesterday, yet is still imperfect or incomplete.
So it must firstly take advantage of all that science and common sense can bring, but at the same time stay modest and well aware that nothing in human knowledge is absolute and final.
This perhaps is different as for revelations that metapsychic abilities can provide, though their interpretation remains a matter of human possibilities … The wisest in all respects, is to favor a decline in attitude, alertness, self-interrogation, questioning, rather than the affirmation and certainty.
Indeed, it is when one is too sure of something one might commit the direst mistakes …