Sometimes in life, you don't always feel strong, but that doesn't mean you're not.
成功不是幸福的关键。幸福是成功的关键。如果你热爱你所做的事情,你就会成功。
最糟糕的不平等是试图使不平等的事物平等。
I think the most important thing for a singer is not skill, but emotion.
A good mathematician should be both rigorous and imaginative.
The language of mathematics is universal, transcending cultural and linguistic barriers.