All Nat's strove to dissuade him.

"Your life is so precious, sir--the advancement of science!" But the Professor was adamantine.
"Science can only be advanced if men of science will take their lives in their hands," he answered, sternly.

"Besides, Nurse Wade has tried.

Am I to lag behind a woman in my devotion to the cause of physiological knowledge ?" "Let him try," Hilda Wade murmured to me.

"He is quite right.