人們不買你做什么，而是買你為什么做。
Short-term gains should never compromise long-term sustainability.
Faith is taking the first step even when you don't see the whole staircase.
Without justice, courage is weak.
Economic research should aim to inform real-world decision-making.
Buying tools: Start by buying the absolute cheapest tools you can find. Upgrade the ones you use a lot. If you wind up using some tool for a job， buy the very best you can afford.
The novel is the most complete and complex expression of human experience.