11
Cicero
2
Epicurus
2
Hegel
1
Hesiod
1
Homer
4
Juvenal
4
Plato
1
Ayn Rand
1
Seneca
10
Seneca
10
Adam Smith
5
Socrates
2
Tacitus
3
Lao Tzu
1
Sun Tzu
4
Virgil
3
Voltaire
Seneca
Let us take pleasure in what we have received and make no comparison; no man will ever be happy if tortured by the greater happiness of another.+