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.]

Who then is sane? He who is not a fool.
[Lat., Quisnam igitur sanus? Qui non stultus.]

Who then is sane? He who is not a fool.
[Lat., Quisnam igitur sanus? Qui non stultus.]

I can calculate the motion of heavenly bodies but not the madness of people.

I can calculate the motion of heavenly bodies but not the madness of people.

O, hark! what mean those yells and cries?
His chain some furious madman breaks;
He comes--I see read more

O, hark! what mean those yells and cries?
His chain some furious madman breaks;
He comes--I see his glaring eyes:
Now, now, my dungeon grate he shakes.
Help! Help! He's gone!--O fearful woe,
Such screams to hear, such sights to see!
My brain, my brain,--I know, I know
I am not mad but soon shall be.

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

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

Madam, I swear I use no art at all.
That he is mad, 'tis true: 'tis true 'tis pity,
read more

Madam, I swear I use no art at all.
That he is mad, 'tis true: 'tis true 'tis pity,
And pity 'tis 'tis true--a foolish figure.

I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me.

I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me.

Much madness is divinest sense
To a discerning eye;
Much sense the starkest madness.
read more

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.

What is more insane than to vent on senseless things the anger
that is felt towards men?
[Lat., read more

What is more insane than to vent on senseless things the anger
that is felt towards men?
[Lat., Quid est dementius quam bilem in homines collectam in res
effundere.]