" But at the entrance to science, as at the entrance to hell, the demand must be posted:

'Qui si convien lasciare ogni sospetto; Ogni vilta convien che qui sia morta.'"

"Here all suspicion needs must be abandoned,
⁠All cowardice must needs be here extinct "

"Here all suspicion needs must be abandoned,
⁠All cowardice must needs be here extinct" style="width:100%;margin:20px 0;"/>

" But at the entrance to science, as at the entrance to hell, the demand must be posted: 'Qui si convien lasciare ogni sospetto; Ogni vilta convien che qui sia morta.'""Here all suspicion needs must be abandoned,⁠All cowardice must needs be here extinct "