One verse

Srimad Bhagavatam 4.18.5

4.18.5

ताननाद‍ृत्य योऽविद्वानर्थानारभते स्वयम् । तस्य व्यभिचरन्त्यर्था आरब्धाश्च पुन: पुन: ॥ ५ ॥

tan anadrtya yo ’vidvan arthan arabhate svayam tasya vyabhicaranty artha arabdhas ca punah punah

tan
those
anadrtya
neglecting
yah
anyone who
avidvan
rascal
arthan
schemes
arabhate
begins
svayam
personally
tasya
his
vyabhicaranti
do not become successful
arthah
purposes
arabdhah
attempted
ca
and
punah punah
again and again.

A foolish person who manufactures his own ways and means through mental speculation and does not recognize the authority of the sages who lay down unimpeachable directions is simply unsuccessful again and again in his attempts.