He that would have the kernel must crack the shell.
More Dutch Proverbs:
He that abideth low cannot fall hard.Dutch
He cannot lay eggs, but he can cackle.
Dutch
Better a leg broken than the neck.
Dutch
Love others well, but love thyself the most; give good for good, but not to thine own cost.
Dutch
When thieves fall out, honest men get their goods back.
Dutch
Who to-day was a haughty knight, is to-morrow a pennyless wight.
Dutch