The distance between insanity and genius is measured only by success.

The distance between insanity and genius is measured only by success.

Insanity is often the logic of an accurate mind overtaxed.

Insanity is often the logic of an accurate mind overtaxed.

I became insane, with long intervals of horrible sanity.

I became insane, with long intervals of horrible sanity.

It is a common calamity; at some one time we have all been mad.
[Lat., Id commune malum; semel read more

It is a common calamity; at some one time we have all been mad.
[Lat., Id commune malum; semel insanivimus omnes.]

Much madness is divinest sense
To a discerning eye;
Much sense the starkest madness.
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Much madness is divinest sense
To a discerning eye;
Much sense the starkest madness.
'Tis the majority
In this, as all, prevails
Assent, and you are sane;
Demur,--you're straightway dangerous,
And handled with a chain.

But when Fate destines one to ruin it begins by blinding the eyes
of his understanding.

But when Fate destines one to ruin it begins by blinding the eyes
of his understanding.

Mad as a March hare.

Mad as a March hare.

In all matters of opinion, our adversaries are insane.

In all matters of opinion, our adversaries are insane.

Insanity: doing the same thing over and over again and expecting different results.

Insanity: doing the same thing over and over again and expecting different results.