the minds remain clean if we polish it by continued education,

 

मार्ज्यमाणो सदा यद्वद्दर्पणो निर्मलो भवेत्। 

ज्ञानाभ्यासात्तथा पुंसां बुद्धिर्भवति निर्मला॥ 

४८३९ ईन्दिचे स्प्रुचे

mārjyamāṇo sadā yadvaddarpaṇo nirmalo bhavet|

 jñānābhyāsāttathā puṁsāṁ buddhirbhavati nirmalā|| 

4839 īndice spruce

The surface of a mirror remains blemish-less and clean if cleaned periodically and repeatedly. Similarly, the minds of humans would remain clean if we fortify and polish it by continued education, training and practice.