Can you believe he's just a kindergartener? It looks like they've got an Einstein in the family.
If Einstein, my dear / Were a toll booth cashier / I imagine he too would be.
Tachyons exist on the other side of the Einstein barrier.
... allowed in Einstein's equations, but to build one is extremely difficult. Far more energy ...
... And what else could we do? We can also unlock the secrets of the Big Bang. You see, Einstein's ...