Philosophy is the science which considers truth.

To Unlearn is as hard as to Learn

To leave the number of births unrestricted, as is done in most states, inevitably causes poverty among the citizens, and poverty produces crime and faction.

The greatest threat to the state is not faction but distraction

When you are lonely, when you feel yourself an alien in the world, play Chess. This will raise your spirits and be your counselor in war

The laws are, and ought to be, relative to the constitution, and not the constitution to the laws. A constitution is the organization of offices in a state, and determines what is to be the governing body, and what is the end of each community. But laws are not to be confounded with the principles of the constitution; they are the rules according to which the magistrates should administer the state, and proceed against offenders.

The activity of God, which is transcendent in blessedness, is the activity of contemplation; and therefore among human activities that which is most akin to the divine activity of contemplation will be the greatest source of happiness.