also: こけつにいらずんばこしをえず
expression
nothing ventured, nothing gained
A proverb meaning that without taking risks, you cannot achieve great rewards. The literal image is that you cannot capture a tiger cub without entering the tiger's den.
新しい事業を始めるのは怖いが、虎穴に入らずんば虎子を得ずだ。
Starting a new business is scary, but nothing ventured, nothing gained.
彼は虎穴に入らずんば虎子を得ずの精神で、危険な投資に挑んだ。
With a 'nothing ventured, nothing gained' spirit, he took on a risky investment.