TASTE AN APPLE. Taste salt.
See the sunlight on the wall, the deer track in the snow.
Hear the luffing of the sail.
Smell the rose, the dead mouse behind the wainscoting, the child's hair.
Touch the hand that is touching your hand.
Although we have been taught better, it is easier to assume that nothing that lies beyond the reach of our five senses is entirely real than to acknowledge that what we know about reality through the five senses is roughly the equivalent of what an ant crawling across the front page of the New York Times knows about the state of the world.