"You are quite right.

You should take no risks with such things--especially as they look so innocent!" He leaned back in his chair again, as if satisfied, and his eyes met the Contessa's at the same moment.

There was no reason why she should not have looked at him just then, but he rested one elbow on the table and shaded his eyes from the light.
"It is strange to reflect," said Kalmon, looking at the tube thoughtfully, "that one of those little things would be enough to put a Hercules out of misery, without leaving the slightest trace which science could discover." Corbario was still shading his eyes from the light.
"How would one die if one took it ?" asked Aurora.

"Very suddenly ?" "I call it the sleeping death," answered the Professor.

"The poisoned person sinks into a sweet sleep in a few minutes, smiling as if enjoying the most delightful dreams." "And one never wakes up ?" inquired Marcello.
"Never.