Your ultimate goal (reward or punishment) is before you. Behind your back is the hour (of resurrection) which is driving you on. Keep (yourself) light and overtake (the forward ones). Your last ones are being awaited by the first ones (who have preceded).
(1) al-Sharif al-Radi, Khasa'is, 87;
(2) al-Tabari, Ta'rikh, * V, 157.