Sanity is a madness put to good use.

Sanity is a madness put to good uses.

Our occasional madness is less wonderful than our occasional sanity

Sanity is madness put to good use.

Sane people did what their neighbors did, so that if any lunatics were at large, one might know and avoid them.

At present nothing is possible except to extend the area of sanity little by little. We cannot act collectively. We can only spread our knowledge outwards from individual to individual, generation after generation.