money doesn't grow on trees

Translations
деньги на деревьях не растут
Someone told their children that money doesn't grow on trees.
Кто-то сказал своим детям, что деньги на деревьях не растут.
Definitions
This phrase means that money is a limited resource and cannot be obtained easily or without effort, implying that one should be careful with spending and understand the value of money.