Do You Capitalize After Quotes & Sayings

This Universal wheel, this merry-go-round
In our imagination we have found
The sun a flame, in the Cosmic lantern bound
We are mere ghosts, revolving, the flame surround. — Omar Khayyam

Some days I feel like a piano: kind of short, always in black & white, always expected to produce music. — Alber Elbaz

Dear Pope, send me some hope or a rope. — Lou Reed

I am shocked both that I hurt him and that my shoe hit him, because I do throw like the proverbial girl. I hurl stuff around secure in the knowledge I'll miss my target. — Syd McGinley

I cannot imagine any condition which would cause a ship to founder. I cannot conceive of any vital disaster happening to this vessel. Modern shipbuilding has gone beyond that ... — Edward Smith

Man at court has heard him tell how he took your maidenhead, — George R R Martin