Arthur Koestler

The principal mark of a genius is not perfection but originality, the opening of new frontiers

We cannot unthink unless we are insane.

Naukowcy są podglądaczami w dziurce od klucza w wieczności.

Scientists are Peeping Toms at the keyhole of eternity.

Czym bardziej oryginalne odkrycie, tym bardziej jest oczywiste, gdy zostanie już dokonane.

The more original a discovery, the more obvious it seems afterwards.

Nothing is more sad than the death of an illusion.

If the creator had a purpose in equipping us with a neck, he surely meant us to stick it out.