What matters is not what is said, but what is understood from it.
Communication is finished not when words leave the speaker's mouth but when they land in someone else's mind. A sentence can be accurate, polite and carefully chosen, yet if the listener hears criticism where none was meant, then criticism is what has effectively been communicated. The saying shifts responsibility toward the speaker, asking us to care about the reception of our words as much as their content.
The quote is anonymous, so there is no single author's outlook to lean on, but it echoes ideas familiar from several traditions. Modern communication theory stresses that meaning is shaped by the receiver's context, mood and assumptions. Hermeneutics, the study of interpretation, makes a similar point: understanding always involves the listener's own background. Folk wisdom everywhere has its own versions of this, reminding us that tone and timing can matter as much as vocabulary.
Consider a manager who tells a colleague, "This report needs some work." She means it as a neutral note, but the colleague, already anxious, hears "you failed." Applying the saying, she might add what specifically works, name what to improve, and ask, "How does that sound to you?" This is not about watering down honesty. It is about checking that the message arrived as intended.