A List

Things to which Richard Crashaw compares tears in the poem "Saint Mary Magdalene, or The Weeper":

• blood
• thawing ice
• stars
• a gentle stream
• cream
• breakfast
• pearls
• dew
• medicine 
• gems
• a watery blossom
• wine
• a new bright guest
• rivers
• a silver stream
• rain
• baths
• milky doves
• floods
• baths
• portable & compendious oceans
• a bead
• brothers
• sons
• birds

Just in case you're stuck for a metaphor...