As far as we can discern, the sole purpose of human existence is to kindle a light in the darkness of mere being. – Carl Gustav Jung

The sun works in my veins like wine, like wine! – Amy Levy, “A Minor Poet,” c.1884

Light, when suddenly let in, dazzles and hurts and almost blinds us: but this soon passes away, and it seems to become the only element we can exist in. – Augustus William Hare and Julius Charles Hare, Guesses at Truth, by Two Brothers

Sun spreads through the treetops like an epidemic. – Dave Bonta, from The Morning Porch, morningporch.com/2009/04/96792742