In physics, opinions don't matter, only demonstrated experiments. The day the fellow succeeds, if ever, he won't need anybody else's opinion.
Neil deGrasse TysonIf Mars formed life, then life on Earth could have been seeded by life on Mars, making every life form on Earth descended from Martians.
Neil deGrasse TysonModern science is under no obligation to satisfy the expectations of your five senses.
Neil deGrasse TysonOne of the reasons we're here, that we exist at all, is that Earth, cosmically speaking, is in a relatively peaceful place: orbiting our Sun in a near perfect circle.
Neil deGrasse Tyson