```mermaid graph LR PW[Productive Work] --> E[Efficiency] PW --> EF[Effectiveness] E --> W["How much work you can complete in a given time frame"] W --> TS["Time spent working"] W --> WS["Working speed"] TS --> D[Discipline] TS --> S[Systems] D --> DD["Your level of discipline today = number of hard decisions made in the past."] DD --> HDT["Hard decisions today = more willpower tomorrow"] E --> SK[Skill] SK --> SR["Scales with repetitions"] E --> T[Tools] E --> MS["Mental sharpness"] MS --> H[Health] MS --> TWH["Tracking work hours"] MS --> SW["Scheduling time for work"] SK --> TM[Templates] T --> TM TM --> AI[A.I.] EF --> RE["The return on effort you get on your work"] RE --> RO["Result (Output)"] RE --> EI["Effort (Input)"] EF --> FB[Feedback] FB --> FD["From data"] FB --> FP["From people"] FP --> M[Mentors] EF --> HL["High-leverage opportunities"] HL --> HS["How scalable the rewards are over the long term"] ```