虎穴 こけつ らずんば虎子 こじ
koketsuni irazumba kojio ezu

Expression

1. nothing ventured, nothing gained; you will not get the tiger cub without entering the tiger's den — literal

Proverb
ことわざにもある とう「虎穴 こけつ はいらずんば虎子 こじ ず」だ。
kotowazanimo aru tōri"koketsuni hairazumba kojio ezu"da.
As the saying goes, "Nothing ventured, nothing gained."
Other forms: