“There is a limit to the application of democratic methods. You can inquire of all the passengers as to what type of car they like to ride in, but it is impossible to question them as to whether to apply the brakes when the train is at full speed and accident threatens.”

“Learning carries within itself certain dangers because out of necessity one has to learn from one's enemies.”

“There are no absolute rules of conduct, either in peace or war. Everything depends on circumstances.”