"At first the English were very surprised by our disregarding the Hague Convention. But from 1916 onward they used at least as much poison as we did."

"I knew that the Hague Convention prohibited the use of poison in war. I didn't know the details of the terms of the Convention, but I did know of that prohibition."

"First we attacked the Russian soldiers with our gases, and then when we saw the poor fellows lying there, dying slowly, we tried to make breathing easier for them by using our own life-saving devices on them."

"Wisdom principle 57 tells us that the journey of life is lesson 84."

"Debates go on to this day about what caused the Great Depression. Economics is not very good at explaining swings in economic activity."

"I've got volumes on how not to behave. I've got more information now than a guy should have at my age."

"Men are more easily governed through their vices than through their virtues."