{"type": "rich", "version": "1.0", "html": "<iframe src=\"https://quotewise.io/embed/quote/28azaq/\" width=\"600\" height=\"200\" frameborder=\"0\" allowfullscreen title=\"[S]ubject matters in general do not exist. There are no subject matters; no branches of learning\u2014...\"></iframe>", "width": 600, "height": 200, "title": "[S]ubject matters in general do not exist. There are no subject matters; no branches of learning\u2014...", "author_name": "Karl Popper", "author_url": "https://quotewise.io/o/Karl_Popper/", "provider_name": "Quotewise", "provider_url": "https://quotewise.io", "thumbnail_url": "https://quotewise.io/og/q/28azaq.png", "thumbnail_width": 1200, "thumbnail_height": 630, "cache_age": 86400}