You cannot jump higher than your head.
More Russian Proverbs:
Death is not found behind mountains but right behind our shoulders.Russian
The sooner you get in, the sooner you get out.
Russian
In a fight the rich man tries to save his face, the poor man his coat.
Russian
The appetite comes during a meal.
Russian
One good daughter is worth seven sons.
Russian
In a rickety stable the cow produces no milk.
Russian