So he could solve the staircase.
Stephen Hawking in a house fire.
An escalador.
Steven Hawking after a house fire.
A CADillac.
Stephen Hawkings after a house fire.
Steven Hawking with a brake failure!
Stephen Hawking
Cause he can't do stand-up.
Because he has his own shoulder to cry on. Edit: all credit goes to /u/Earleebird who posted it in a comment in /r/oldschoolcool
Because they don't believe in higher powers.
Steven Hawking
They don't like their vegetables.
It's his private eye.
The Search Bar.
He had an apartment complex.