Anas b. Malik reported:
The Paradise is surrounded by hardships and the Hell-Fire is surrounded by temptations. (AR)
Reference (AR): Sahih Muslim 2822 (AR)
In-book reference (AR): Book 53, Hadith 1 (AR)
USC-MSA web (English) reference(deprecated numbering scheme): Book 40, Hadith 6778 (AR)