Abu Huraira reported Allah's Messenger (ﷺ) as saying:
The world is a prison-house for a believer and Paradise for a non-believer. (RU)
Reference (RU): Sahih Muslim 2956 (RU)
In-book reference (RU): Book 55, Hadith 1 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Book 42, Hadith 7058 (RU)