February 23

WHEN one of the company said to him, "Convince me that logic is necessary."

"Would you have me demonstrate it to you?" says he.


"Then I must use a demonstrative form of argument."


"And how will you know then whether I argue sophistically?"

On this, the man being silent, "You see," says he, "that even by your own confession, logic is necessary; since without its assistance, you cannot learn so much as whether it be necessary or not."

EPICTETUS. DISCOURSES. Book ii. §25. ¶1.


  1. This is an interesting argument against those who would try to revive Stoicism as an ethical system, ignoring both the logical and physical aspects.

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