A well-stocked mind is safe from boredom.
All human plans [are] subject to ruthless revision by Nature, or Fate, or whatever one preferred to call the powers behind the Universe.
No trilogy should have more than four books.
As three laws were good enough for Newton, I have modestly decided to stop there.
The future is not to be forecast, but created.
Perhaps no other year before or since 1984 has been awaited with such eager anticipation.