"It is astonishing what force, purity, and wisdom it requires for a human being to keep clear of falsehoods"

The quote by Margaret Fuller, "It is astonishing what force, pureness, and wisdom it requires for a human being to keep clear of falsehoods", can be unpacked to delve into the complexity and challenge of living truthfully.

Fuller recommends that maintaining sincerity and integrity is not merely a passive state of being however an active, ongoing endeavor requiring significant personal strength-- something she describes as "force". This suggests that breaking falsehoods requires a purposeful effort to withstand the temptation to trick or be tricked. In a world where untruths can typically provide themselves as simpler or more useful courses, it takes a robust inner resolve to remain committed to fact.

The reference of "purity" suggests that truthfulness is not polluted by ulterior motives or self-deception. It needs a person's objectives and actions to be untainted by self-centered desires or external pressures. To stick to pureness in one's dealings involves a deep commitment to credibility, recommending an alignment of one's concepts, words, and deeds. Fuller most likely suggests that such purity is unusual and profound, a quality that requires growing and mindful nurturing.

Lastly, "wisdom" here represents the discernment needed to browse the complex tapestry of human interactions and societal expectations that often blur the line between truth and falsehood. Wisdom involves the ability to see through deceit, understand the much deeper ramifications of honesty, and appreciate the long-lasting value of real interaction. It is not simply intelligence however an enlightened understanding of human nature and the varied situations that often challenge one's stability.

Overall, Fuller raises truthfulness as a virtue of immense significance, requiring an unified mix of strength, pureness, and wisdom. She acknowledges the fundamental trouble in remaining real to oneself amidst life's ethical uncertainties and external influences, highlighting such an undertaking as both admirable and vital for human self-respect and credibility.