Time is the soul of this world.
~ Plutarch
Those who aim at great deeds must also suffer greatly.
To be ignorant of the lives of the most celebrated men of antiquity is to continue in a state of childhood.
Medicine to produce health must examine disease; and music, to create harmony must investigate discord.
Do not speak of your happiness to one less fortunate than yourself.
The mind is not a vessel to be filled but a fire to be kindled.
To make no mistakes is not in the power of man but from their errors and mistakes the wise and good learn wisdom for the future.
The very spring and root of honesty and virtue lie in good education.
The omission of good is no less reprehensible than the commission of evil.
I would rather excel in the knowledge of what is excellent, than in the extent of my power and possessions.
No man ever wetted clay and then left it, as if there would be bricks by chance and fortune.
Courage stands halfway between cowardice and rashness, one of which is a lack, the other an excess of courage.
I don't need a friend who changes when I change and who nods when I nod my shadow does that much better.
Painting is silent poetry, and poetry is painting that speaks.