The lightnings trembled And in thy Silence was his Sentence, And in his Soul a vain repentance, And evil dread so ill dissembled, That in his hand the lightnings trembled. Lord Byron, Prometheus idefiancesilence
The observer effect In biology, when researchers want to observe animals in their natural habitat, it is paramount that they find a way to do so without disturbing those animals. Otherwise, the behavior they see is unlikely to be natural, because most animals (including humans) change their behavior when they are being observed. Farnam Street fs.blog The Spoken and the Unspoken uxethnography