What goes into the water black and comes out red?
When one does not know what it is, then it is something; but when one knows what it is, then it is nothing.
Who are the two brothers who live on opposite sides of the road yet never see each other?
I am the beginning of sorrow, and the end of sickness. You cannot express happiness without me, yet I am in the midst of crosses. I am always in risk, yet never in danger. You may find me in the sun, but I am never out of darkness.
A white dove flew down by the castle. Along came a king and picked it up handless, ate it up toothless, and carried it away wingless.