“The greatest shortcoming of the human race is our inability to understand the exponential function.”

“We are the guardians of a great human function. Perhaps of the greatest function among the endeavors of man. We have achieved much and we have erred often. But we are willing in all humility to make way for our heirs. We are only men and we are only seekers. But we seek for truth with the best there is in our hearts. We seek with what there is of the sublime granted to the race of men. It is a great quest.”

“Monotheism is easily the greatest disaster to befall the human race.”

“The bondage of the Negro brought captive from Africa is one of the greatest dramas in history, and the writer who merely sees in that ordeal something to approve or condemn fails to understand the evolution of the human race.”

“Bob's talent, such as it is, consists entirely of the few unconscious charms of youth: its energy, audacity and complete inability to recognize its own shortcomings.”

“They didn't understand what they were doing.I'm afraid that will be on the tombstone of the human race.”