Manusmriti

siva.sh/manusmriti/2/218

यथा खनन् खनित्रेण नरो वार्यधिगच्छति । तथा गुरुगतां विद्यां शुश्रूषुरधिगच्छति ॥ २१८ ॥

sanskrit

As the man who digs with a spade (into the ground) obtains water, even so an obedient (pupil) obtains the knowledge which lies (hidden) in his teacher.

english translation

yathA khanan khanitreNa naro vAryadhigacchati | tathA gurugatAM vidyAM zuzrUSuradhigacchati || 218 ||

hk transliteration by Sanscript