Summary
This quote suggests that sincerity is equivalent to being morally truthful. In other words, being sincere means that one is genuine, honest, and upright in their actions, thoughts, and words. It implies that those who prioritize sincerity possess a strong moral compass and adhere to ethical principles. Sincerity is seen as a virtue that reflects one's integrity and reveals their true character. By emphasizing the importance of sincerity as moral truth, the quote emphasizes the need for authenticity and honesty in all aspects of life.