Thoreau argues that writers should draw substantially on their own experience rather than merely repeating what they have learned about the lives of others. He values first-hand observation and personal testimony because they give writing a direct connection to the writer’s actual circumstances, choices and reflections.

At the beginning of Walden, this principle helps explain Thoreau’s strongly personal approach. He writes about his own experiment in living at Walden Pond and presents his conclusions as arising from experience rather than as universal instructions. His demand for a “simple and sincere account” also reflects an interest in honesty and self-examination: writers should be prepared to disclose what they themselves have observed and learned. The quote therefore presents authorship as an activity grounded in lived experience, while distinguishing original personal testimony from second-hand commentary.