Our constitution is called a democracy because power is in the hands not of a minority but of the whole people. The unexamined life is not worth living. Nobody untrained in geometry may enter my house. So the good has been well explained as that at which all things aim.
Philosophy is an activity that uses reasoning and rigorous argument to promote human flourishing.
A point is that which has no part. There is absolutely no criterion for truth. For reason, senses, ideas, or whatever else may exist are all deceptive. Virtue is its own reward. Only the educated are free.