As a child, I was aware that, at night, infrared vision would reveal monsters hiding in the bedroom closet only if they were warm-blooded. But everybody knows that your average bedroom monster is reptilian and cold-blooded.
Neil deGrasse TysonWhen your reasons for believing something are justified ad hoc, you are left susceptible to further discoveries undermining the rationale for that belief.
Neil deGrasse TysonUV is bad for molecules because its high energy breaks the bonds between a molecule's constituent atoms. That's why UV is bad for you, too: it's always best to avoid things that decompose the molecules of your flesh.
Neil deGrasse Tyson