The majority of great men are the offspring of unhappy marriages. Hermann Graf Keyserling More Quotes by Hermann Graf Keyserling More Quotes From Hermann Graf Keyserling No radical change on the plane of history is possible without crime. Hermann Graf Keyserling radical-change planes crime It is hardly possible to estimate how many marriages fail to prosper or are actually ruined because the man lacks any inkling of the art of love. Hermann Graf Keyserling failing men art The greatest American superstition is belief in facts. Hermann Graf Keyserling superstitions belief facts