The happy man is one who lives objectively, who is free in his affections and has broad interests, who secures happiness through these interests and affections, which in turn make him an object of interest and affection for many others.
Scientists strive to make the impossible possible. Politicians strive to make the possible impossible.
Slander is always simple and plausible.
Much of the world's difficulties are due to the fact that the ignorant are completely confident and the intelligent are full of doubts.
The history of the world is the sum of what could have been avoidable.
How pleasant it would be a world in which no one was allowed to operate in the stock market unless they had passed an exam in Greek economics and poetry, and in which politicians were required to have a solid knowledge of history and modern novels!
I oppose all superstition, whether Muslim, Christian, Jewish, or Buddhist.
The most enlightened among the Greeks held that slavery was justifiable as long as the masters were Greek and the slaves were barbarians, but the opposite case was contrary to nature.