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.
... a mustache, I will put on a beard, I mean, I will put on a wig. I'll be the great Einstein, ...
... two most interesting places in the universe are beyond our reach using Einstein's equations, ...