Was heißt »Irrsinn« auf Englisch?

Das Substantiv »Irrsinn« lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Der Irrsinn ist bei Einzelnen etwas Seltenes, – aber bei Gruppen, Parteien, Völkern, Zeiten die Regel.: Madness is something rare in individuals – but in groups, parties, peoples, ages it is the rule.
Der Irrsinn hat eine Grenze überschritten.: The craziness has crossed a line.

The madness of love is the greatest of heaven's blessings.
Schopenhauer regarded madness as the possibility of enduring pain, as a form of escape from a tragic event.
Sometimes it's a good thing to have a touch of madness.
Masturbation leads to insanity.
Love is a kind of madness.
Love is a temporary insanity curable by marriage.
Imagination does not breed insanity... Poets do not go mad, but chess players do.
I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind. For in much wisdom is much grief; and he who increases knowledge increases sorrow.
There's a fine line between genius and insanity.
Never flee from injustice, intolerance, or insanity. Reason must prevail.
Though this be madness, yet there is method in't.
If this is madness, there is method in it.
That's utter madness.
This is sheer madness.
I doubt if a single individual could be found from the whole of mankind free from some form of insanity. The only difference is one of degree.
The thin line between sanity and madness has gotten finer.
The thought that robots might take over the world is lunacy.
I don't suffer from insanity - I enjoy it!
It would be madness to climb that mountain in winter.
Anger is a form of madness.