A frog cannot be trusted in a fight against an elephant.
Frogs and snails and puppy dog tails, that's what little boys are made of.
The frog does not drink up the pond in which it lives.
Frogs are miracles of nature, in that they come back to life after being frozen.
Frogs always know when it's going to rain; perhaps it's because they're amphibious.
Frogs croak because they have a song in their hearts.
A frog looks on the ground from the bottom of a well and thinks the sky is round.
You can't trust frogs. They eat their own offspring.
A frog in the mud is happier than a man because he has no mortgage.
Frogs sing in the rain, but their joy is known to the rain alone.
You have to kiss a lot of frogs before you find your prince.