Riyad as-Salihin: The Book of Virtues – Hadith No. 354 — Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah… (Hadith No. 354)

Abu Hurairah (May Allah be pleased with him) reported: The Messenger of Allah (ﷺ) said: "Were people to know the blessing of pronouncing Adhan and the standing in the first row, they would even draw lots to secure these privileges. And were they to realize the reward of performing Salat early, they would race for it; and were they to know the merits of Salat after nightfall ('Isha') and the dawn (Fajr) Salat, they would come to them even if they had to crawl.".

Explanation:

Reference: Riyad as-Salihin, The Book of Virtues, Hadith No. 354