Hora Sara
राशिमुखे मध्यबलः सम्पूर्णबलश्च मध्यमं यातः। राश्यन्ते बलहीनो वक्रो बलवान् न नीचराशौ स्यात्॥१३॥
He is moderately strong in the initial portion of a Rasi, very strong in the middle, and weak at its end. He is strong when retrograde, provided he is not in his depression sign.
english translation
rAzimukhe madhyabalaH sampUrNabalazca madhyamaM yAtaH। rAzyante balahIno vakro balavAn na nIcarAzau syAt॥13॥
hk transliteration by Sanscript