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| Plato (423-347 BCE) |
"There is no greater evil one can suffer than to hate reasonable discourse."
- Socrates, in Plato's Phaedo (89d)
"Opinions without knowledge are shameful things."
- Socrates, in Plato's Republic (506c)
"The virtue of reason is, above all, divine."
- Socrates, in Plato's Republic (518d)
"The subject of measure is useful for the sake of knowing rather than trading...It leads the soul upward and compels it to discuss the numbers themselves...and then understanding and truth itself."
- Socrates, in Plato's Republic (525d)
