Rained on ground hardens.
More Japanese Proverbs:
A tiger dies and leaves his skin; a man dies and leaves his name.Japanese
When you're thirsty it's too late to think about digging a well.
Japanese
The very thing one likes, one does well.
Japanese
Jizo's face when borrowing; emma's face when repaying.
Japanese
One who waits patiently will catch a big fish.
Japanese
When the time comes, even a rat becomes a tiger.
Japanese