It is the activity of the intellect that constitutes complete human happiness - provided it be granted a complete span of life, for nothing that belongs to happiness can be incomplete.
One has no friend who has many friends.
Friendship also seems to be the bond that hold communities together.
Money is a guarantee that we can have what we want in the future
The proof that you know something is that you are able to teach it
If you would understand anything, observe its beginning and its development