The Messenger of Allah ﷺ said, "A morning or an evening spent in the cause of Allah is better than the world and all that is in it."
حدثنا وكيع بن الجراح وعبد الرحمن بن مهدي عن سفيان عن أبي حازم
قال رسول الله ﷺ غدوة أو روحة في سبيل الله عز وجل خير من الدنيا وما فيها
Its isnad is sahih, and Abu Hazim is Salama bin Dinar the storyteller, the imam, trustworthy and virtuous, who appears frequently. The hadith has occurred previously at 10827.