Al-Mustawrid reported: The Messenger of Allah, peace and blessings be upon him, said, “What is the parable of this worldly life, in comparison to the Hereafter, but one of you dipping his finger in the sea? Let him see what he brings forth.”
Source: Ṣaḥīḥ Muslim 2858
Grade: Sahih (authentic) according to Muslim
عَنِ الْمُسْتَوْرِدِ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ مَا مَثَلُ الدُّنْيَا فِي الْآخِرَةِ إِلَّا مَثَلُ مَا يَجْعَلُ أَحَدُكُمْ إِصْبَعَهُ فِي الْيَمِّ فَلْيَنْظُرْ بِمَ يَرْجِعُ
2858 صحيح مسلم كتاب الجنة وصفة نعيمها وأهلها باب فناء الدنيا وبيان الحشر يوم القيامة