Out of debt, out of danger

Possible interpretation: When we no longer owe money to anyone, we are safe and secure. The implication is that it is dangerous to owe anyone.

Note: debt (noun) = something (for example, money) that is owed or due | out of debt (adj.) = no longer owing money to someone else | danger (noun) = situation that could cause harm or injury; unsafe | out of danger (adj.) = no longer in danger; in a safe situation