“I felt sure we could gain the upper hand by putting ourselves in the mindset of the Incas.”

“In moments of great uncertainty on my travels, I have always felt that something is protecting me, that I will come to no harm.”

“There can be few situations more fearful than breaking down in darkness on the highway leading to Casablanca. I have rarely felt quite so vulnerable or alone.”

“I had learned years ago never to give original documents to anyone if I could help it.”

“During the days I felt myself slipping into a kind of madness. Solitary confinement has an astonishing effect on the mind. The trip was to stay calm and keep myself occupied. I spent hours working out how to break free. But trying to escape would have been instant suicide.”

“In the world of the Machiguenga, sadness could be equated with anger, and anger was a perilous emotion, by which a foreigner could lose his life.”

“The desert was bad, but nothing could compare with the horrors of a tropical rain forest.”