Diogenes of Sinope (-404–-322 BC) ancient Greek philosopher, one of the founders of the Cynic philosophy
Diogenes Laërtius, vi. 54
Quoted by Diogenes Laërtius
Diogenes, 6.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
Diogenes of Sinope (-404–-322 BC) ancient Greek philosopher, one of the founders of the Cynic philosophy
Diogenes Laërtius, vi. 54
Quoted by Diogenes Laërtius
“When Zeno was asked what a friend was, he replied, "Another I."”
Diogenes Laërtius (180–240) biographer of ancient Greek philosophers
Zeno, 19.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 7: The Stoics
“When the slave auctioneer asked in what he was proficient, he replied, "In ruling people."”
Diogenes of Sinope (-404–-322 BC) ancient Greek philosopher, one of the founders of the Cynic philosophy
Diogenes Laërtius, vi. 74
Quoted by Diogenes Laërtius
Plutarch (46–127) ancient Greek historian and philosopher
Lives of the Ten Orators
Bartlett's Familiar Quotations, 10th ed. (1919)
“Asked from what country he came, he replied, "I am a citizen of the world."”
Diogenes Laërtius (180–240) biographer of ancient Greek philosophers
Diogenes, 6.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
Diogenes of Sinope (-404–-322 BC) ancient Greek philosopher, one of the founders of the Cynic philosophy
Diogenes Laërtius, vi. 49
Quoted by Diogenes Laërtius
Paul Morphy (1837–1884) American chess player
About <br class="br">Source: As quoted in Lasker's Chess Magazine https://en.wikisource.org/wiki/Lasker%27s_Chess_Magazine/Volume_1