Manusmriti

siva.sh/manusmriti/4/159

यद् यत् परवशं कर्म तत् तद् यत्नेन वर्जयेत् । यद् यदात्मवशं तु स्यात् तत् तत् सेवेत यत्नतः ॥ १५९ ॥

sanskrit

Let him carefully avoid all undertakings (the success of) which depends on others; but let him eagerly pursue that (the accomplishment of) which depends on himself.

english translation

yad yat paravazaM karma tat tad yatnena varjayet | yad yadAtmavazaM tu syAt tat tat seveta yatnataH || 159 ||

hk transliteration by Sanscript