The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.
The past is always tense, the future perfect.
伟大的事情永远不会来自舒适区。
Every moment is a fresh beginning.
I have always believed that technology should do the hard work – discovery, organization, communication – so users can do what makes them happiest: living and loving, not messing with annoying computers! That means making our products work together seamlessly.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.