Perhaps more than any other topic, I’ve found incredible amounts of personal value from the philosophical school of thought known as stoicism. I find stoicism invaluable for navigating the modern world while maintaining any semblance of self-control. I consider the ideas within stoicism to be an essential part of my own financial life (and personal life, as well).
Source: LifeHacker – How the Principles of Stoicism Can Help Your Personal and Financial Life