After a pause, he spoke again.

"The weak point of lethodyne is this: nobody can be trusted to say WHEN it may be used--except Nurse Wade,--which is NOT science." For the first time in my life, I had a glimmering idea that I distrusted Sebastian.

Hilda Wade was right--the man was cruel.

But I had never observed his cruelty before--because his devotion to science had blinded me to it..