The Nicomachean Ethics
Aristotle built the most influential ethical system in Western philosophy — the idea that virtue is a habit, not a rule, and that the good life means finding the right balance in everything.
“We are what we repeatedly do. Excellence, then, is not an act, but a habit.”
Why It Matters
Aristotle built the most influential ethical system in Western philosophy — the idea that virtue is a habit, not a rule, and that the good life means finding the right balance in everything. The concept of the "golden mean" comes from here. Philosophers, theologians, and self-help writers have been restating his arguments ever since.
The 
Take
Personal reviewGreat philosophical discussion on leading a flourishing life, amazing for a book that’s 2300+ years old
Notable Quotes
“One swallow does not make a summer, nor does one day; and so too one day, or a short time, does not make a man blessed and happy.”
“It is the mark of an educated mind to be able to entertain a thought without accepting it.”