“When the slave auctioneer asked in what he was proficient, he replied, "In ruling people."”
Diogenes Laërtius, vi. 74
Quoted by Diogenes Laërtius
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Diogenes of Sinope 33
ancient Greek philosopher, one of the founders of the Cynic… -404–-322 BCRelated quotes

“When Zeno was asked what a friend was, he replied, "Another I."”
Zeno, 19.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 7: The Stoics

“When asked what wine he liked to drink, he replied, "That which belongs to another."”
Diogenes, 6.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics
Source: Complete Poems of Stephen Crane

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, 6.
The Lives and Opinions of Eminent Philosophers (c. 200 A.D.), Book 6: The Cynics

Diogenes Laërtius, vi. 49
Quoted by Diogenes Laërtius

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Source: As quoted in Lasker's Chess Magazine https://en.wikisource.org/wiki/Lasker%27s_Chess_Magazine/Volume_1