Writing is like driving at night in the fog. You can only see as far as your headlights, but you can make the whole trip that way.
The best ideas often come from unexpected places.
A miner's greatest tool isn't their equipment - it's their judgment.
The happiest people are those who have discovered that happiness is a choice and not a result of circumstances.
唯一受过教育的人是学会了如何学习和改变的人。