Sushruta Samhita
यन्त्रशतमेकोत्तरम्; अत्र हस्तमेव प्रधानतमं यन्त्राणामवगच्छ, (किं कारणं ? यस्माद्धस्तादृते यन्त्राणामप्रवृत्तिरेव) तदधीनत्वाद्यन्त्रकर्मणाम् ॥३॥
"Among various instruments, the hand is the most important. Why? Because, without the hand, there is no way to operate any instrument. Therefore, the functioning of instruments depends on the hand."
english translation
yantrazatamekottaram; atra hastameva pradhAnatamaM yantrANAmavagaccha, (kiM kAraNaM ? yasmAddhastAdRte yantrANAmapravRttireva) tadadhInatvAdyantrakarmaNAm ॥3॥
hk transliteration by Sanscript