And so long as they were at war, their power was preserved, but when they had attained empire they fell, for of the arts of peace they knew nothing, and had never engaged in any employment higher than war.

The happy life is regarded as a life in conformity with virtue. It is a life which involves effort and is not spent in amusement.

Demonstration is also something necessary, because a demonstration cannot go otherwise than it does, ... And the cause of this lies with the primary premises/principles.

How many a dispute could have been deflated into a single paragraph if the disputants had dared to define their terms

Intuition is the source of scientific knowledge.

The democrats think that as they are equal they ought to be equal in all things.

Man by nature wants to know.