What is madness? To have erroneous perceptions and to reason correctly from them

Madness is to think of too many things in succession too fast, or of one thing too exclusively

Optimism is the madness of insisting that all is well when we are miserable.

Financially, there might be reason behind the madness.

The most beautiful things are those that madness prompts and reason writes.

Only those things are beautiful which are inspired by madness and written by reason