The human person is a threshold where many infinities meet. There is the infinity of space that reaches out into the depths of the cosmos and the infinity of time reaching back over billions of years. There is the infinity of the microcosm: one little speck on the top of your thumb contains a whole inner cosmos, but it is so tiny that it is not visible to the human eye. The infinity in the microscopic is as dazzling as that of the cosmos. However, the infinity that haunts everyone and which no one can finally quell is the infinity of one’s own interiority.