Ibn Abi Najih narrates from Mujahid (may Allah have mercy on him) that "a place of return for mankind" [Surah al-Baqarah: 125] means that they never fulfil their longing for it, and "security" means that whoever enters the city of Makkah does not fear.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9831