Found 2 verses containing cannot serve.
Showing both verses.

Matthew 6:24 (Show me Matthew 6)
“No one can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.[1]
[1]Greek mammon, a Semitic word for money or possessions

Luke 16:13 (Show me Luke 16)
No servant can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.”