The chief beauty about time is that you cannot waste it in advance. The next year, the next day, the next hour are lying ready for you, as perfect, as unspoiled, as if you had never wasted or misapplied a single moment in all your life. You can turn over a new leaf every hour if you choose.

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.

The value of art lies in its ability to make us reconsider our assumptions.

职位越高，错误的代价越大。

If everything was perfect, you would never learn and you would never grow.

The best way to find yourself is to lose yourself in the service of others.

I'm a lover not a fighter.