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