Out of every hundred new ideas ninety-nine or more will probably be inferior to the traditional responses which they propose to replace. No one man, however brilliant or well-informed, can come in one lifetime to such fullness of understanding as to safely judge and dismiss the customs or institutions of his society, for those are the wisdom of generations after centuries of experiment in the laboratory of history.
Will Durant on ideas
And Ariel Durant, The Lessons of History (1968)
