Heisenberg was stopped by the police while driving at 95 mph. The officer asked, "Do you know how fast you were going?" To which Heisenberg replies, "No, but I know where I am."
Lol.
The Uncertainty Principle:
In quantum mechanics, the uncertainty principle is any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle known as complementary variables, such as position x and momentum p, can be known simultaneously.
For instance, in 1927, Werner Heisenberg stated that the more precisely the position of some particle is determined, the less precisely its momentum can be known, and vice versa.[1]
http://en.wikipedia.org/wiki/Uncertainty_principle
Einstein was reportedly once stopped by the same highway patrolman. He told the officer that, according to his frame of reference, he was at rest and the cop was doing 95.