The only way to do great work is to love what you do. If you haven't found it yet, keep looking. Don't settle.
The defining characteristic of pessimists is that they tend to believe bad events will last a long time, will undermine everything they do, and are their own fault.
"In the long run, the only sustainable source of competitive advantage is your ability to learn faster than your competition."
革命是无情的，不仅对那些落后的人，而且对那些跑在前面的人。