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.
ThucydidesAnd it is certain that those who do not yield to their equals, who keep terms with their superiors, and are moderate towards their inferiors, on the whole succeed best.
ThucydidesBe convinced that to be happy means to be free and that to be free means to be brave. Therefore do not take lightly the perils of war.
Thucydides... Athenians are addicted to innovation. They are daring beyond their judgment they toil on with little opportunity for enjoying, being ever engaged in getting, they were born into the world to take no rest themselves, and to give none to others.
Thucydides