“All extremes of feeling are allied with madness.”

“All extremes are dangerous. It is best to keep in the middle of the road, in the common ruts, however muddy.”

“I feel certain that I'm going mad again, I feel we can't go thru another of those terrible times. And I shan't recover this time. I begin to hear voices”

“My brain hums with scraps of poetry and madness.”

“Yes, she thought, laying down her brush in extreme fatigues, I have had my vision.”

“Sir William said he never spoke of 'madness'; he called it not having a sense of proportion.”

“The most important thing is not to think very much about oneself. To investigate candidly the charge; but not fussily, not very anxiously. On no account to retaliate by going to the other extreme -- thinking too much.”