Thomas Rowe Price Jr.
Principles
Repeatable rules that beginners can study and adapt.
Applicable principles
Focus on companies in favorable growth phases.
Valuation must be judged alongside growth durability.
Watch when a company matures or declines.
Compounding requires time and management quality.
Turn these principles into a pre-investment checklist. If an idea cannot pass the checklist, staying out is often better than forcing action.