Home / Library / Everything Not Forbidden Is Achievable Notable Quote "Everything that is not forbidden by laws of nature is achievable, given the right knowledge." — Deutsch, David event 2011 From The Beginning of Infinity: Explanations That Transform the World Context: A powerful restatement of the principle of optimism — the only limits are the laws of physics, not lack of resources or imagination Topics wb_sunny Optimism psychology Knowledge trending_up Progress science Philosophy of Science