Eric Ambler

Drug addicts, you know, are always very eager to get other people to take drugs too.

The important thing to know about an assassination or an attempted assassination is not who fired the shot, but who paid for the bullet.

Hallett drew a deep breath. "Mr. Nilson," he said, "I wish you could tell me something. Why is it that when an apparently normal, intelligent, law-abiding citizen like you gets hold of a passport and a steamship ticket, he suddenly turns into a juvenile--"

"Okay, Mr. Hallett," Greg broke in irritably. "You can't say anything I haven't already said to myself."