The nose, the tongue, the eye, the skin, the ear, and the mind, succeed in apprehending determination. It is the understanding alone which apprehends it.
घ्राण जिह्वा च चक्षुश्च त्वक् श्रोत्रं मन एव च। न निष्ठामधिगच्छन्ति बुद्धिस्तामधिगच्छति॥