In an account of his journey across South America, published in 1836, William Smyth thus complained of frequent "desertion" by his helpers: "Without them it was impossible to get on".

因此，在1836年出版的一本关于他的南美之旅的书中，威廉·史密斯这样抱怨他的助手经常“遗弃”他的行为：“没有他们，我就不可能继续前进。”