IMO that's not quite the same. Doing physics isn't "believing" in physics, but sure keeping yourself focused on something goes a long way. Likhatchev deathbed

IMO that's not quite the same. Doing physics isn't "believing" in physics, but sure keeping yourself focused on something goes a long way. Likhatchev deathbed words to his crying wife were "don't get so upset, it's just the matter changing its state".