我不是说唱歌手，我是一个历史的传奇。
Invest in research today, or face scarcity tomorrow.
"The truth is rarely pure and never simple."
The real competition is never rivals, but users' old habits.
When you do something best in life, you don’t really want to give that up – and for me it’s tennis.
Skepticism: the mark and even the pose of the educated mind.