Idioms with water:
Hold water – have sense
In deep water or in hot water - to be in trouble
To be like a fish out of water – to feel uncomfortable
To pour cold water on something – be critical about
Water under the bridge – it is history
Like water off the duck back – ignore sth completely
Come hell or high water – no matter what happens
Proverbs about water:
Pure water is the world's first and foremost medicine.
Thousands have lived without love, not one without water.
There's plenty of water in the universe without life, but nowhere is there life without water.
Water is the soul of the Earth.