The man who can keep a secret may be wise, but he is not half as wise as the man with no secrets to keep.

The man who can keep a secret may be wise, but he is not half as wise as the man with no secrets to keep.

能保守秘密的人也许是聪明的，但他的智慧还不及没有秘密可保守的人的一半。

-- Edgar Watson Howe 埃德加·沃森·豪