およそ物事の価値は、失ってみて初めて分かるものだ。の英語

You usually find out the value of things after losing them.

A good thing is not known till it is lost.

We never know the worth of water till the well is dry.

of a characteristic, being meaningful

A tree is known by its fruit.

Whatever is worth doing at all, is worth doing well.

A valuable object decreases in value if it is damaged.

anything that is supposed to be valuable but turns out to be worthless

A man's worth does not lie in what he has, but in what he is.

I think it's worth asking.

A man's worth lies not so much in what he has as in what he is.

a par value

something whose contents are already known

If a thing is worth doing it is worth doing badly.

the condition of being unable to see the value of things

A man who knows the price of everything, and the value of nothing.

I cannot ascertain the true value of that until I see it with my own eyes.

to appreciate anything

So mottainai means "failing to appreciate the real worth of things."

the real value of the trust capital may be disastrously less than when the trust began

search (as the bottom of a body of water) for something valuable or lost

the doctrine that practical consequences are the criteria of knowledge and meaning and value

A man's worth should be judged by his character rather than by his social position.

We must pay a price for―pay the price of―anything valuable.

the apparent worth as opposed to the real worth

It pays in the long run to buy goods of high quality.

Woman's intuition is clearly a valuable trait.

A beautiful object like that never loses its value.

A man's worth has nothing to do with his appearance.

someone who believes that the value of a thing depends on its utility