Politics is an art and not a science, and what is required for its mastery is not the rationality of the engineer but the wisdom and the moral strength of the statesman.

“International politics, like all politics, is a struggle for power”

“The struggle for power is universal in time and space and is an undeniable fact…”

“Political realism believes that politics, like society in general, is governed …”

“Throughout the nation's history, the national destiny of the United States has …”