We hatch in shallows; we flounder into depths.
Shallow calls to shallow.
You can easily drown in a shallow mind.
Shallows run fast to falls.
A deep life makes for a shallow grave.
Sail a shallow sea to a rising continent.
Swim swift-shallow.
A hot sun withers shallow roots, so conflict sucks the life out of friendship.
Canyons run deep, plains run shallow, lives run amuck.
Shallow — it may merely be fallow.
Modern Thought Proverbs, Aphorisms and Epigrams 