قلsay لِمَنto whoever فيin الخيْرgoodness أبْدَىput forth جُهْدَهُhis utmost effort
قل لِمَن في الخيْر أبْدَى جُهْدَهُ
الضِّمارُthe training اليومَtoday والسَّبْقُand victory غَدَاtomorrow
الضِّمارُ اليومَ والسَّبْقُ غَدَا
Say to whoever has put forth his utmost effort in doing good:
Tell those who strive for good -
Today is for training, and tomorrow for victory.
Today is withering, and tomorrow outpaces.