All men have the capacity of knowing themselves and acting with moderation.
The opposite is beneficial; from things that differ comes the fairest attunement; all things are born through strife.
There is nothing permanent except change.
The content of your character is your choice. Day by day, what you choose, what you think and what you do is who you become.
Dogs bark at what they don't understand.
Men who are lovers of wisdom [i.e., philosophers] must be inquirers into many things.