That which cannot contain the happy life cannot contain that which produces the happy life; and the happy life is produced by Goods alone.
In dumb animals there is not a trace of the happy life, nor of the means whereby the happy life is produced; in dumb animals the Good does not exist.
Book: Moral Letters Vol III
Subtitle: Seneca's timeless letters of advice and wisdom.
Author: Seneca
Chapter: On the true good as attained by reason
Location: Chapter 124, Section 15
Content:
15.
That which cannot contain the happy life cannot contain that which produces the happy life; and the happy life is produced by Goods alone.
In dumb animals there is not a trace of the happy life, nor of the means whereby the happy life is produced; in dumb animals the Good does not exist.