Brihat Samhita
न तत्सहस्रं करिणां वाजिनां च चतुर्गुणम् । करोति देशकालज्ञो यथाएको दैवचिन्तकः ॥ २-२० ॥
That service, which a single Jyotiṣaka, having a knowledge of place and time can render to a prince, cannot be rendered to him by a thousand elephants or by four thousand horses.
english translation
na tatsahasraM kariNAM vAjinAM ca caturguNam । karoti dezakAlajJo yathAeko daivacintakaH ॥ 2-20 ॥
hk transliteration by Sanscript