You may see a cup of tea fall off a table and break into pieces on the floor... But you will never see the cup gather itself back together and jump back on the table. The increase of disorder, or entropy, is what distinguishes the past from the future, giving a direction to time.
Stephen HawkingIām the archetype of a disabled genius, or should I say a physically challenged genius, to be politically correct. At least Iām obviously physically challenged. Whether Iām a genius is more open to doubt.
Stephen HawkingWhen I get to heaven I'm gonna find the guy in charge of the weather and kick his rear.
Stephen HawkingIf the rate of expansion one second after the Big Bang had been smaller by even one part in a hundred thousand million million, it would have recollapsed before it reached its present size. On the other hand, if it had been greater by a part in a million, the universe would have expanded too rapidly for stars and planets to form.
Stephen Hawking