Brihadaranyaka Upanishad 4.5.12

4.5.12

sa yathā sarvāsāmapām̐ samudra ekāyanamevam̐ sarveṣām̐ sparśānāṃ tvagekāyanamevam̐ sarveṣāṃ gandhānāṃ nāsike ekāyanamevam̐ sarveṣām̐ rasānāṃ jihvaikāyanamevam̐ sarveṣām̐ rūpāṇāṃ cakṣurekāyanamevam̐ sarveṣām̐ śabdānām̐ śrotramekāyanamevam̐ sarveṣām̐ saṃkalpānāṃ mana ekāyunamevam̐ sarvāsāṃ vidyānām̐ hṛdayamekāyanamevam̐ sarveṣāṃ karmaṇām̐ hastāvekā-yanamevam̐ sarveṣāmānandānāmupastha ekāyanamevam̐ sarveṣāṃ visargāṇāṃ pāyurekā-yanamevam̐ sarveṣāmadhvanāṃ pādāvekāyanamevam̐ sarveṣāṃ vedānāṃ vāgekāyanam

As the ocean is the one goal of all sorts of water, as the skin is the one goal of all kinds of touch, as the nostrils are the one goal of all odours, as the tongue is the one goal of all savours, as the eye is the one goal of all colours, as the ear is the one goal of all sounds, as the Manas is the one goal of all deliberations, as the intellect is the one goal of all knowledge, as the hands are the one goal of all sorts of work, as the organ of generation is the one goal of all kinds of enjoyment, as the anus is the one goal of all excretions, as the legs are the one goal of all kinds of motion, as the organ of speech is the one goal of all Vedas.