I actually didn't mean to say nihilist; the word I was looking for was solipsist.
In that case you'd better re-read Jung on introverted thinking or the works of various rationalists like Kant or Descartes. Posts by B&D or tcaud will also suffice.
lol BnD is IEI
But, for a certainty, back then,
We loved so many, yet hated so much,
We hurt others and were hurt ourselves...
Yet even then, we ran like the wind,
Whilst our laughter echoed,
Under cerulean skies...