यथा चतुर्भिः कनकं परीक्ष्यते

निघर्षणच्छेदनतापताडनैः।

तथा चतुर्भिः पुरुषः परीश्र्यते

श्रुतेन शीलेन कुलेन कर्मणा।।

Just as the gold is tested in four means (rubbing, cutting, heating and pounding), similarly a man is tested on the basis of four things (knowledge, behavior, race and actions).