What Does Aristotle Mean by Saying "One Swallow Does Not

Multiple Choice

What does Aristotle mean by saying "One swallow does not make a summer"?

A) Do not believe what your eyes tell you.
B) Doing something virtuous once is not being virtuous; it must be done as a matter of habit.
C) You must wait until the time is ripe before acting; acting prematurely is a vice.
D) Do like the swallows; flee before the winds of winter.