2. Let no act be done without a purpose, nor otherwise than according to the perfect principles of art.
Book: Meditations
Subtitle: The classic from Marcus Aurelius.
Author: Marcus Aurelius
Chapter: Book Four
Chapter Subtitle: That which rules within, when it is according to nature, is so affected with respect to the events which happen, that it always easily adapts itself to that which is and is presented to it.
Location: Chapter 4, Section 2
Content:
2. Let no act be done without a purpose, nor otherwise than according to the perfect principles of art.