عَنْ أَنَسِ بْنِ مَالِكٍ قَالَ قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِنْ قَامَتْ عَلَى أَحَدِكُمْ الْقِيَامَةُ وَفِي يَدِهِ فَسْلَةٌ فَلْيَغْرِسْهَا

“Even if the Resurrection were established upon one of you while he has in his hand a sapling, let him plant it.”

Prophet Muhammad ﷺ
(Musnad Ahmad)