I was never really insane except upon occasions when my heart was touched.
I became insane, with long intervals of horrible sanity.
There’s a fine line between genius and insanity. I have erased this line.
The scientists of today think deeply instead of clearly. One must be sane to think clearly, but one can think deeply and be quite insane.
Bunch together a group of people deliberately chosen for strong religious feelings, and you have a practical guarantee of dark morbidities expressed in crime, perversion, and insanity.