Brihat Parashara Hora Shastra
सुखाऽसुखस्य विज्ञानं वाहनानां तथैव च। उपासनाया विज्ञानं साध्यं विंशतिभागके॥ ४॥
worship from Vimshāńś, learning from Chaturvimshāńś, strength and weakness from Saptavimshāń
english translation
sukhA'sukhasya vijJAnaM vAhanAnAM tathaiva ca। upAsanAyA vijJAnaM sAdhyaM viMzatibhAgake॥ 4॥
hk transliteration by Sanscript