Sbg 4.12 ecsiva
English Commentary By Swami Sivananda 4.12 काङ्क्षन्तः those who long for, कर्मणाम् of actions, सिद्धिम् success, यजन्ते sacrifice, इह in this world, देवताः gods, क्षिप्रम् ickly, हि because, मानुषे in the human, लोके (in the) world, सिद्धिः success, भवति is attained, कर्मजा born of action.