The absence of romance from my history will, I fear, detract somewhat from its interest; but if it be judged useful by those inquirers who desire an exact knowledge of the past as an aid to the interpretation of the future, which in the course of human things must resemble if it does not reflect it, I shall be content. In fine, I have written my work, not as an essay which is to win the applause of the moment, but as a possession for all time.

Ignorance is bold and knowledge reserved.

What made the war inevitable was the growth of Athenian power and the fear which this caused in Sparta.

The secret of happiness is freedom and the secret of freedom is courage.

Mankind are tolerant of the praises of others as long as each hearer thinks that he can do as well or nearly as well himself, but, when the speaker rises above him, jealousy is aroused and he begins to be incredulous.

In peace and prosperity states and individuals have better sentiments, because they do not find themselves suddenly confronted with imperious necessities; but war takes away the easy supply of daily wants and so proves a rough master that brings most men's characters to a level with their fortunes

Human nature is the one constant through human history. It is always there.