Time is the only property
Seneca insists time is the one thing a man truly owns and the one thing he gives away most cheaply. Audit it as you would audit money.
Two ledgers
Collins and Housel govern the financial ledger: automate, diversify, stay invested, leave clear instructions. Marcus governs the other: conduct, amends owed, promises outstanding.
Close the books deliberately
The elder's final work is legible transmission — documented skill, settled affairs, named apprentices, debts and grudges cleared. Undocumented experience dies with the man who held it.