Life is too short to be anything but happy.
数学的本质在于它的自由。
I’m focused on what I can control. I can’t control what people think or say about me.
"Positive psychology is not a spectator sport."
I don't care about being first. I care about being best.
歌唱90%在于倾听。你也必须倾听寂静。
The most important thing in business is to have a sustainable competitive advantage.