No power and no treasure can outweigh the extension of our knowledge.
One great difference between a wise man and a fool is, the former only wishes for what he may possibly obtain; the latter desires impossibilities.
The wrongdoer is more unfortunate than the man wronged.
Life unexamined, is not worth living.
The man enslaved to wealth can never be honest.
To a wise man, the whole earth is open; for the native land of a good soul is the whole earth.