If you have a gun, you can rob a bank, but if you have a bank, you can rob everyone.
— Bill Maher

A bank is a place where they lend you an umbrella in fair weather and ask for it back when it begins to rain.
Robert Frost banks quote

A banker is a fellow who lends his umbrella when the sun is shining and wants it back the minute it begins to rain.
— Mark Twain

Banking establishments are more dangerous than standing armies.
— Thomas Jefferson

It is a wise man who lives with money in the bank, it is a fool who dies that way.
— banks quotation by Proverbs