تعريف ومعنى "believe nothing of what you hear, and only half of what you see"

What is the origin of the proverb "believe nothing of what you hear, and only half of what you see" and when to use it?

The origin of the proverb "believe nothing of what you hear, and only half of what you see" is often attributed to the poet and writer Edgar Allan Poe and appears in his short story 'The System of Doctor Tarr and Professor Fether' in 1845, though it has earlier variations. This saying highlights that rumors are often unreliable, and even visual evidence can be incomplete or misleading. It emphasizes the importance of critical thinking and seeking evidence before making decisions or forming conclusions, promoting a careful and thoughtful approach to understanding information.