Ideas are among the most durable and least predictable forms of legacy — they travel where the thinker cannot, transform in the minds that receive them, and sometimes change the world centuries after they were first articulated. The philosopher, the prophet, the poet who offers an idea that helps people see more clearly has given something that does not diminish when shared. The mystery of how ideas persist and change is one of the more humbling things to contemplate.
Each step builds on the last.