He is a man as a book.
More Dutch Proverbs:
Great cry and little wool, quoth the devil, when he sheared his hogs.Dutch
The first occasion offered quickly take, lest thou repine at what thou didst forsake.
Dutch
Don't overstrain your bow -- it may break.
Dutch
Who ventures to lend, loses money and friend.
Dutch
Birds of a feather flock together.
Dutch
Profit by the folly of others.
Dutch