Sushruta Samhita
तस्मात् कौशलमन्विच्छन् शस्त्रक्षाराग्निकर्मसु । यस्य यत्रेह साधर्म्यं तत्र योग्यां समाचरेत् ॥६॥
"Therefore, seeking skillfulness in the use of tools, alkalis, and fire-based procedures, one should perform the actions appropriately wherever there is a correspondence in practice."
english translation
tasmAt kauzalamanvicchan zastrakSArAgnikarmasu । yasya yatreha sAdharmyaM tatra yogyAM samAcaret ॥6॥
hk transliteration by Sanscript