"Not even a neophyte would do.

It must be one of iron courage, who will resist to the last, enduring agony rather than letting in death that would instantly end the agony.

It must be one who knows the full extent of all our knowledge, and can therefore apply all our present resources of resistance, so that the very outside edge of safety, as it were, may be measured accurately." "And how long is the process likely to last ?" I asked him.
"Who knows ?" he answered.

"Possibly three days, or longer.

They will feed me scientifically, and will increase the potencies gradually, in order to observe the exact effects at different stages.