English Idioms! 英語のイディオム ~ Nothing ventured, nothing gained

Nothing ventured, nothing gained

日本語のイディオム＝虎穴に入らずんば虎子を得ず。

“If you do not enter the tiger’s cave, you will not catch its cub.”

 Bill: "Should I ask my boss for a promotion?" 

Jane: "Yes you should! Nothing ventured, nothing gained."